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  "recordTier": "source_traceable_archive",
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    "reviewedAt": "2026-08-21",
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    "marketBrandNames": [],
    "mainlandChinaTradeNameCue": null
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    "historicalApprovalEntry": "2002（DailyMed 2024-02 美国公开标签所列 Initial U.S. Approval）",
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          "basisCode": "per_tablet",
          "basisLabel": {
            "zh": "每片标签标示量；不是个人服用片数、调量或换算指令",
            "en": "labelled amount per tablet; not an individual tablet count, adjustment or conversion instruction"
          }
        }
      ],
      "concentration": null,
      "container": {
        "typeCode": "bottle",
        "typeLabel": {
          "zh": "原瓶",
          "en": "bottle"
        },
        "fill": null,
        "countPerPackage": 90,
        "countUnit": {
          "zh": "片/瓶",
          "en": "tablets per bottle"
        }
      },
      "deliveryDevice": null,
      "compatibleReusableDevice": null,
      "listingStatus": {
        "reviewedAt": "2026-08-21",
        "currentLabelDisplayed": true,
        "ndcDirectoryListed": true,
        "marketAvailability": "not_established",
        "marketingStartDate": null,
        "marketingEndDate": null,
        "purpleBookPresentationStatus": null,
        "statusConflictRequiresManualReview": false
      },
      "package": {
        "count": 90,
        "unit": {
          "zh": "片/瓶",
          "en": "tablets per bottle"
        }
      },
      "physicalClues": {
        "color": {
          "zh": "绿色",
          "en": "green"
        },
        "shape": {
          "zh": "圆形片",
          "en": "round tablet"
        },
        "imprint": "SYNTHROID / 300",
        "scoreStatus": null,
        "patchAreaCm2": null
      },
      "comparisonNotice": null,
      "source": {
        "id": "src_9fe75faad23655ce",
        "label": "DailyMed（NLM）：SYNTHROID 左甲状腺素钠美国公开标签（AbbVie；2024-02 修订）",
        "url": "https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1e11ad30-1041-4520-10b0-8f9d30d30fcc",
        "audience": "public",
        "reviewStatus": "approved",
        "publish": true,
        "documentStatus": "publication_status_unresolved",
        "documentKind": "product_label",
        "market": "US",
        "accessStatus": "public_access_confirmed",
        "accessMode": "public_web_page",
        "accessVerifiedAt": "2026-08-20",
        "reviewedAt": "2026-08-20"
      },
      "scope": "package_and_label_identity_only_not_personal_dosing_or_conversion"
    }
  ],
  "comparisonPresentations": [],
  "appearanceReferences": [],
  "visualReference": {
    "presentationId": "us-synthroid-levothyroxine-tablet-50mcg-0074455211",
    "status": "historical_public_label_image_not_product_authentication",
    "imageUrl": "https://dailymed.nlm.nih.gov/dailymed/image.cfm?name=synthroid-spl-02.jpg&setid=1e11ad30-1041-4520-10b0-8f9d30d30fcc&type=img",
    "alt": "SYNTHROID 50 mcg（0.05 mg）左甲状腺素钠片、NDC 0074-4552-11、100 片单位剂量纸盒在美国 DailyMed 公开标签中的展开图",
    "archiveMarket": "美国",
    "labelVersion": "2024-02",
    "presentation": "SYNTHROID 50 mcg（0.05 mg）、NDC 0074-4552-11、100 片单位剂量纸盒展开图（DailyMed 2024-02 美国公开标签）。",
    "notice": "此图只对应美国 DailyMed 公开标签中的 SYNTHROID 50 mcg（0.05 mg）、NDC 0074-4552-11、100 片单位剂量纸盒。它只帮助核对品牌、通用名、每片标示量、包装数量与来源；不用于鉴定真伪，也不证明其他强度、其他包装、其他市场标签、原研身份、目标市场批准、可售资格，或任何个人该吃几片、能否对半、调量或换算。",
    "source": {
      "id": "src_9fe75faad23655ce",
      "label": "DailyMed（NLM）：SYNTHROID 左甲状腺素钠美国公开标签（AbbVie；2024-02 修订）",
      "url": "https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1e11ad30-1041-4520-10b0-8f9d30d30fcc",
      "audience": "public",
      "reviewStatus": "approved",
      "publish": true,
      "documentStatus": "publication_status_unresolved",
      "documentKind": "product_label",
      "market": "US",
      "accessStatus": "public_access_confirmed",
      "accessMode": "public_web_page",
      "accessVerifiedAt": "2026-08-20",
      "reviewedAt": "2026-08-20"
    }
  },
  "visualCoverageNote": null,
  "labelReading": {
    "coverage": "drug_specific_source_review",
    "title": {
      "zh": "SYNTHROID 说明书放大阅读：mcg 与 mg 相差一千倍，不能凭感觉换算",
      "en": "SYNTHROID label reading: mcg and mg differ by a thousand-fold and are not converted by feeling"
    },
    "summary": {
      "zh": "本模块以 FDA 2020 美国标签为阅读入口，帮助核对 SYNTHROID、左甲状腺素、每片标示的微克（mcg）强度和目标市场；它不提供个人片数、补服、调量或与另一种甲状腺激素产品转换的方案。",
      "en": "This module uses the 2020 U.S. FDA label as a reading entry point. It helps check SYNTHROID, levothyroxine, the microgram (mcg) strength per tablet and target market; it does not provide an individual tablet count, make-up use, adjustment or conversion to another thyroid-hormone product."
    },
    "checks": [
      {
        "zh": "先核对 SYNTHROID、左甲状腺素、每片标示的 mcg、实际包装和目标市场。mcg（微克）与 mg（毫克）是不同单位，1 mg 等于 1000 mcg；单位相近的写法不能用来凭经验换片数。",
        "en": "Check SYNTHROID, levothyroxine, the mcg strength per tablet, actual package and target market first. mcg (micrograms) and mg (milligrams) are different units: 1 mg equals 1,000 mcg. Similar-looking units must not be used to convert tablet count by experience."
      },
      {
        "zh": "不同颜色、不同 mcg 强度、不同品牌或其他市场包装都属于不同产品身份线索。即使都写“甲状腺素”，也不表示可以把两种片剂自行等量替换、掰半拼凑或交替服用。",
        "en": "Different colours, mcg strengths, brands or market packs are different product-identity clues. Even when both say “thyroid hormone,” they do not establish self-equivalent substitution, split-and-combine use or alternation."
      },
      {
        "zh": "标签涉及与食物、矿物质补充剂、抗酸药和多种药物的吸收相关问题。家中有钙、铁、胃药、降脂药、抗凝药或多种慢病药时，应带完整药单请药师或开方团队逐项核对。",
        "en": "The label addresses absorption-related issues with food, mineral supplements, antacids and multiple medicines. With calcium, iron, stomach medicines, lipid medicines, anticoagulants or multiple chronic-care products at home, bring the complete medicine list for pharmacist or prescribing-team review."
      },
      {
        "zh": "疲劳、心悸、体重或睡眠变化不能由网页直接归因并自行调药。开始、减量、补服、转换或任何异常症状都应依据现行标签、化验与专业团队的具体判断。",
        "en": "Fatigue, palpitations, weight or sleep changes cannot be attributed by a webpage and used to self-adjust. Starting, tapering, make-up use, conversion or any concerning symptom needs the current label, testing and specific professional judgement."
      }
    ],
    "source": {
      "id": "src_6b43994eb7ece0a2",
      "label": "FDA：SYNTHROID 2020 美国处方信息（NDA 021402）",
      "url": "https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf",
      "audience": "public",
      "reviewStatus": "approved",
      "publish": true,
      "documentStatus": "historical_public_record",
      "documentKind": "product_label",
      "market": "US",
      "accessStatus": "public_access_confirmed",
      "accessMode": "direct_document",
      "accessVerifiedAt": "2026-08-20",
      "reviewedAt": "2026-08-20"
    },
    "scope": "label_literacy_only_no_individual_dosing_or_substitution"
  },
  "mechanismReading": {
    "title": {
      "zh": "左甲状腺素怎样起作用：它提供合成的 T4 激素",
      "en": "How levothyroxine works: it provides synthetic T4 hormone"
    },
    "summary": {
      "zh": "FDA 标签将左甲状腺素描述为合成的 T4（四碘甲状腺原氨酸），其生理作用由甲状腺激素受体介导。机制帮助解释为何单位、产品身份和实验室随访不能随意替换；它不判断个人甲状腺状态、剂量或化验目标。",
      "en": "The FDA label describes levothyroxine as synthetic T4 (tetraiodothyronine), with physiologic action mediated through thyroid-hormone receptors. This helps explain why units, product identity and laboratory follow-up cannot be freely substituted; it does not determine an individual thyroid state, dose or test target."
    },
    "checks": [
      {
        "zh": "T4 机制不让 mcg 与 mg、不同强度、不同品牌或不同市场产品可自行换算。每一片的单位、产品和处方都必须作为完整信息核对。",
        "en": "A T4 mechanism does not make mcg and mg, different strengths, brands or market products self-convertible. Each tablet’s unit, product and prescription must be checked as complete information."
      },
      {
        "zh": "机制不能解释所有疲劳、心悸、体重或睡眠变化，也不能成为自行加减药的依据。症状、化验、其他疾病和完整药单都需要由专业人员综合评估。",
        "en": "Mechanism cannot explain every fatigue, palpitation, weight or sleep change, nor justify self-adjustment. Symptoms, tests, other conditions and the complete medicine list need integrated professional assessment."
      },
      {
        "zh": "食物、矿物质补充剂和其他药物可能影响实际吸收或评估；这类相互作用必须回到准确产品的现行标签和药师/开方团队，而不是从机制词汇自行排时间表。",
        "en": "Food, mineral supplements and other medicines may affect real absorption or assessment; these interactions must return to the current label for the exact product and a pharmacist/prescribing team, not a self-made schedule from mechanism terms."
      }
    ],
    "source": {
      "id": "src_6b43994eb7ece0a2",
      "label": "FDA：SYNTHROID 2020 美国处方信息（临床药理）",
      "url": "https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf",
      "audience": "public",
      "reviewStatus": "approved",
      "publish": true,
      "documentStatus": "historical_public_record",
      "documentKind": "product_label",
      "market": "US",
      "accessStatus": "public_access_confirmed",
      "accessMode": "direct_document",
      "accessVerifiedAt": "2026-08-20",
      "reviewedAt": "2026-08-20"
    },
    "scope": "mechanism_literacy_only_no_individual_dosing_or_substitution"
  },
  "pharmacovigilance": {
    "status": "official_routes_only_no_live_alert_inference",
    "reviewedAt": "2026-08-22",
    "identity": {
      "brand": "Synthroid",
      "generic": "左甲状腺素",
      "dosageFormClass": "左甲状腺素钠口服片：25、50、75、88、100、112、125、137、150、175、200、300 mcg（本档案分别展示 12 个美国标签包装面板）"
    },
    "labelSource": {
      "id": "src_9fe75faad23655ce",
      "label": "DailyMed（NLM）：SYNTHROID 左甲状腺素钠美国公开标签（AbbVie；2024-02 修订）",
      "url": "https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1e11ad30-1041-4520-10b0-8f9d30d30fcc",
      "audience": "public",
      "reviewStatus": "approved",
      "publish": true,
      "documentStatus": "publication_status_unresolved",
      "documentKind": "product_label",
      "market": "US",
      "accessStatus": "public_access_confirmed",
      "accessMode": "public_web_page",
      "accessVerifiedAt": "2026-08-20",
      "reviewedAt": "2026-08-20"
    },
    "productRoutes": [
      {
        "source": {
          "id": "src_9fe75faad23655ce",
          "label": "DailyMed（NLM）：SYNTHROID 左甲状腺素钠美国公开标签（AbbVie；2024-02 修订）",
          "url": "https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1e11ad30-1041-4520-10b0-8f9d30d30fcc",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "publication_status_unresolved",
          "documentKind": "product_label",
          "market": "US",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-20",
          "reviewedAt": "2026-08-20"
        },
        "status": "product_level_public_record_verified",
        "authority": {
          "zh": "美国国家医学图书馆 DailyMed",
          "en": "U.S. National Library of Medicine DailyMed"
        },
        "market": {
          "zh": "美国",
          "en": "United States"
        },
        "recordType": {
          "zh": "公开药品标签",
          "en": "Public medicine label"
        },
        "reviewedAt": "2026-08-20",
        "scope": {
          "zh": "已逐项核对本档案可公开访问的产品级来源入口。该核对不代表已完成所有国家或地区的实时警示检索，也不代表该药存在或不存在当前风险。",
          "en": "This dossier’s publicly accessible product-level route has been checked individually. It does not mean that real-time alerts in every country or region have been searched, or that the medicine has or does not have a current risk."
        }
      },
      {
        "source": {
          "id": "src_6b43994eb7ece0a2",
          "label": "FDA：SYNTHROID 2020 美国标签档案（NDA 021402）",
          "url": "https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "historical_public_record",
          "documentKind": "product_label",
          "market": "US",
          "accessStatus": "public_access_confirmed",
          "accessMode": "direct_document",
          "accessVerifiedAt": "2026-08-20",
          "reviewedAt": "2026-08-20"
        },
        "status": "product_level_public_record_verified",
        "authority": {
          "zh": "FDA",
          "en": "FDA"
        },
        "market": {
          "zh": "美国",
          "en": "United States"
        },
        "recordType": {
          "zh": "监管产品记录或标签档案",
          "en": "Regulatory product record or label archive"
        },
        "reviewedAt": "2026-08-20",
        "scope": {
          "zh": "已逐项核对本档案可公开访问的产品级来源入口。该核对不代表已完成所有国家或地区的实时警示检索，也不代表该药存在或不存在当前风险。",
          "en": "This dossier’s publicly accessible product-level route has been checked individually. It does not mean that real-time alerts in every country or region have been searched, or that the medicine has or does not have a current risk."
        }
      }
    ],
    "recordRoute": {
      "status": "product_level_public_record_verified",
      "authority": {
        "zh": "美国国家医学图书馆 DailyMed",
        "en": "U.S. National Library of Medicine DailyMed"
      },
      "market": {
        "zh": "美国",
        "en": "United States"
      },
      "recordType": {
        "zh": "公开药品标签",
        "en": "Public medicine label"
      },
      "reviewedAt": "2026-08-20",
      "scope": {
        "zh": "已逐项核对本档案可公开访问的产品级来源入口。该核对不代表已完成所有国家或地区的实时警示检索，也不代表该药存在或不存在当前风险。",
        "en": "This dossier’s publicly accessible product-level route has been checked individually. It does not mean that real-time alerts in every country or region have been searched, or that the medicine has or does not have a current risk."
      }
    },
    "channels": [
      {
        "id": "china-nmpa-drug-evaluation-centre",
        "authority": "NMPA 药品评价中心",
        "market": {
          "zh": "中国大陆",
          "en": "Mainland China"
        },
        "title": {
          "zh": "药物警戒快讯与安全警示",
          "en": "Drug-vigilance bulletins and safety notices"
        },
        "purpose": {
          "zh": "国家药监局药品评价中心发布的药物警戒快讯、安全警示及药品不良反应监测相关原始入口；具体产品仍须按批准文号、剂型、规格、持有人和公告日期逐项核对。",
          "en": "Primary NMPA Drug Evaluation Centre gateway for drug-vigilance bulletins, safety notices and adverse-reaction monitoring. Exact products still require checking approval number, dosage form, strength, authorisation holder and notice date item by item."
        },
        "source": {
          "id": "src_05ff2860226564d4",
          "label": "国家药监局药品评价中心：药物警戒与安全警示入口",
          "url": "https://www.cdr-adr.org.cn/",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "CN",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "fda-drug-safety-communications",
        "authority": "FDA",
        "market": {
          "zh": "美国",
          "en": "United States"
        },
        "title": {
          "zh": "药物安全通讯",
          "en": "Drug Safety Communications"
        },
        "purpose": {
          "zh": "监管机构就重要新安全问题、标签变化或风险沟通发布的原始页面。",
          "en": "Primary FDA pages for important new safety issues, labelling changes and risk communications."
        },
        "source": {
          "id": "src_9177df9e1825aa72",
          "label": "FDA：Drug Safety Communications",
          "url": "https://www.fda.gov/drugs/drug-safety-and-availability/drug-safety-communications",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "US",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "fda-medwatch",
        "authority": "FDA MedWatch",
        "market": {
          "zh": "美国",
          "en": "United States"
        },
        "title": {
          "zh": "安全信息与严重问题报告",
          "en": "Safety information and serious-problem reporting"
        },
        "purpose": {
          "zh": "美国 MedWatch 的安全信息和报告入口；报告不等同于已证实因果关系。",
          "en": "U.S. MedWatch safety-information and reporting gateway; a report does not itself establish causality."
        },
        "source": {
          "id": "src_e4739cd55d27ab51",
          "label": "FDA：MedWatch 药品安全信息与不良事件报告计划",
          "url": "https://www.fda.gov/safety/medwatch-fda-safety-information-and-adverse-event-reporting-program",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "adverse_event_reporting",
          "market": "US",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "ema-pharmacovigilance",
        "authority": "EMA",
        "market": {
          "zh": "欧盟/欧洲经济区",
          "en": "European Union / European Economic Area"
        },
        "title": {
          "zh": "药物警戒概览与 EudraVigilance",
          "en": "Pharmacovigilance overview and EudraVigilance"
        },
        "purpose": {
          "zh": "欧盟药物警戒、疑似不良反应报告和 PRAC 安全评估的官方入口。",
          "en": "Official EU gateway for pharmacovigilance, suspected adverse-reaction reports and PRAC safety assessment."
        },
        "source": {
          "id": "src_2ad42a3deae747d1",
          "label": "EMA：Pharmacovigilance overview",
          "url": "https://www.ema.europa.eu/en/human-regulatory-overview/pharmacovigilance-overview",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "EU",
          "accessStatus": "public_access_confirmed",
          "accessMode": "javascript_or_cookie_controls",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "mhra-drug-safety-update",
        "authority": "MHRA",
        "market": {
          "zh": "英国",
          "en": "United Kingdom"
        },
        "title": {
          "zh": "Drug Safety Update",
          "en": "Drug Safety Update"
        },
        "purpose": {
          "zh": "英国 MHRA 面向专业人士和公众的药品安全更新原始发布页。",
          "en": "Primary UK MHRA medicine-safety updates for professionals and the public."
        },
        "source": {
          "id": "src_23fdbe67abeafc63",
          "label": "MHRA：Drug Safety Update",
          "url": "https://www.gov.uk/drug-safety-update",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "UK",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "pmda-drug-safety",
        "authority": "PMDA",
        "market": {
          "zh": "日本",
          "en": "Japan"
        },
        "title": {
          "zh": "药品安全信息",
          "en": "Medicine safety information"
        },
        "purpose": {
          "zh": "日本 PMDA 药品安全信息的英文官方入口；具体产品仍应以日文产品页和现行文件复核。",
          "en": "PMDA’s English official safety gateway; exact products still require checking against the Japanese product page and current documents."
        },
        "source": {
          "id": "src_06d6be2880f12024",
          "label": "PMDA：Safety Information Regarding Drugs",
          "url": "https://www.pmda.go.jp/english/safety/info-services/drugs/0001.html",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "JP",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "mfds-drug-safety-letters",
        "authority": "MFDS",
        "market": {
          "zh": "韩国",
          "en": "Republic of Korea"
        },
        "title": {
          "zh": "药品安全性书信",
          "en": "Medicine safety letters"
        },
        "purpose": {
          "zh": "韩国 MFDS 发布的药品安全性书信原始索引。原文为韩文，须按涉及产品、剂型、市场和日期逐项阅读；它不自动适用于其他市场，也不构成对个人情况的结论。",
          "en": "MFDS’s primary index for medicine safety letters in the Republic of Korea. The original notices are in Korean and must be read against the named product, dosage form, market and date; they do not automatically apply in another market or decide an individual case."
        },
        "source": {
          "id": "src_2d7f5018cd05eff4",
          "label": "MFDS：药品安全性书信（韩文原始资料）",
          "url": "https://www.mfds.go.kr/brd/m_545/list.do",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "KR",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "hsa-adverse-events",
        "authority": "HSA",
        "market": {
          "zh": "新加坡",
          "en": "Singapore"
        },
        "title": {
          "zh": "不良反应报告与药物安全信息",
          "en": "Adverse-event reporting and medicine-safety information"
        },
        "purpose": {
          "zh": "新加坡 HSA 面向公众的疑似不良反应报告、药物安全信息与本地监管入口；一份报告不等同于个体因果关系，具体产品仍须按新加坡注册状态、剂型、规格、日期和现行产品资料逐项核对。",
          "en": "HSA’s public Singapore gateway for suspected adverse-event reporting and medicine-safety information. A report does not itself establish individual causality; exact products still require checking Singapore registration status, dosage form, strength, date and current product information."
        },
        "source": {
          "id": "src_9240397d5a8574c1",
          "label": "HSA：Report adverse events",
          "url": "https://www.hsa.gov.sg/adverse-events/",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "adverse_event_reporting",
          "market": "SG",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "health-canada-medeffect-advisories",
        "authority": "Health Canada",
        "market": {
          "zh": "加拿大",
          "en": "Canada"
        },
        "title": {
          "zh": "MedEffect 加拿大：建议、警告与召回",
          "en": "MedEffect Canada: advisories, warnings and recalls"
        },
        "purpose": {
          "zh": "加拿大政府 Health Canada 的 MedEffect 公开入口，汇集药品及健康产品的建议、警告、召回、报告与安全信息；具体产品仍须按市场、剂型、规格、公告日期和批号逐项核对。",
          "en": "Health Canada’s public MedEffect gateway for medicine and health-product advisories, warnings, recalls, reporting and safety information. Exact products still require checking market, dosage form, strength, notice date and lot item by item."
        },
        "source": {
          "id": "src_212ec921fa6634ad",
          "label": "Health Canada：MedEffect Canada 建议、警告与召回",
          "url": "https://www.canada.ca/en/health-canada/services/drugs-health-products/medeffect-canada/advisories-warnings-recalls.html",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "CA",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "tga-safety-alerts",
        "authority": "TGA",
        "market": {
          "zh": "澳大利亚",
          "en": "Australia"
        },
        "title": {
          "zh": "药品安全警示",
          "en": "Medicine safety alerts"
        },
        "purpose": {
          "zh": "澳大利亚 TGA 的药品安全警示、建议和监测信息原始发布页。",
          "en": "Primary Australian TGA safety alerts, advisories and monitoring information for therapeutic products."
        },
        "source": {
          "id": "src_ffe6142814f88fac",
          "label": "TGA：Safety alerts",
          "url": "https://www.tga.gov.au/safety/safety-monitoring-and-information/safety-alerts",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "AU",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "swissmedic-pharmacovigilance",
        "authority": "Swissmedic",
        "market": {
          "zh": "瑞士",
          "en": "Switzerland"
        },
        "title": {
          "zh": "药物警戒与不良反应报告",
          "en": "Pharmacovigilance and suspected adverse-reaction reporting"
        },
        "purpose": {
          "zh": "瑞士 Swissmedic 的药物警戒、信号评估和疑似不良反应官方入口；报告或信号本身不等同于对个体因果关系的确认。",
          "en": "Official Swissmedic gateway for pharmacovigilance, signal assessment and suspected adverse-reaction reporting; a report or signal does not itself confirm individual causality."
        },
        "source": {
          "id": "src_c854f813ce2671df",
          "label": "Swissmedic：Pharmacovigilance",
          "url": "https://www.swissmedic.ch/swissmedic/en/home/humanarzneimittel/market-surveillance/pharmacovigilance.html",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "adverse_event_reporting",
          "market": "CH",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "medsafe-safety-communications",
        "authority": "Medsafe",
        "market": {
          "zh": "新西兰",
          "en": "New Zealand"
        },
        "title": {
          "zh": "药品安全通讯",
          "en": "Medicine safety communications"
        },
        "purpose": {
          "zh": "新西兰 Medsafe 面向公众和专业人士的药品安全通讯与归档入口；旧公告可能已被现行产品资料更新。",
          "en": "New Zealand Medsafe gateway for public and professional medicine safety communications and archives; older notices may have been superseded by current product information."
        },
        "source": {
          "id": "src_3510c1a523ec9769",
          "label": "Medsafe：Safety Communications",
          "url": "https://www.medsafe.govt.nz/safety/SafetyCommunications.asp",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "NZ",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "sahpra-safety-information",
        "authority": "SAHPRA",
        "market": {
          "zh": "南非",
          "en": "South Africa"
        },
        "title": {
          "zh": "药物安全信息、警示与药物警戒",
          "en": "Medicine safety information, alerts and pharmacovigilance"
        },
        "purpose": {
          "zh": "南非 SAHPRA 面向公众和专业人士的药物安全信息、警示与药物警戒入口；官方警示不等同于产品在所有情形下不安全，具体产品仍须按南非注册状态、剂型、规格、公告日期与现行资料逐项核对。",
          "en": "SAHPRA’s safety-information, alerts and pharmacovigilance gateway for the public and professionals in South Africa. An official alert does not itself mean a product is unsafe in every circumstance; exact products still require checking South African registration status, dosage form, strength, notice date and current product information."
        },
        "source": {
          "id": "src_25b0aaefee742163",
          "label": "SAHPRA：Safety Information Updates / Pharmacovigilance",
          "url": "https://www.sahpra.org.za/safety-information-and-updates/",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "ZA",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "who-medicine-safety-alerts",
        "authority": "WHO",
        "market": {
          "zh": "全球",
          "en": "Global"
        },
        "title": {
          "zh": "药品与疫苗安全警示档案",
          "en": "Medicine and vaccine safety-alert archive"
        },
        "purpose": {
          "zh": "WHO 的跨市场安全警示档案；每条历史警示必须按公告日期、涉及产品和市场单独阅读。",
          "en": "WHO’s cross-market safety-alert archive; every historical notice must be read against its date, named product and market."
        },
        "source": {
          "id": "src_9a7dc56ec34c7e1a",
          "label": "WHO：Safety alerts for medicines and vaccines",
          "url": "https://www.who.int/teams/regulation-prequalification/regulation-and-safety/pharmacovigilance/safety-alerts",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "GLOBAL",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      },
      {
        "id": "anvisa-pharmacovigilance",
        "authority": "Anvisa",
        "market": {
          "zh": "巴西",
          "en": "Brazil"
        },
        "title": {
          "zh": "药物警戒、警示与 VigiMed",
          "en": "Pharmacovigilance, alerts and VigiMed"
        },
        "purpose": {
          "zh": "巴西 Anvisa 的药物警戒原始入口，涵盖警示、药物警戒公告、风险沟通和 VigiMed 报告路径；具体产品仍须按巴西批准状态、剂型、规格和公告日期逐项核对。",
          "en": "Anvisa’s primary Brazilian pharmacovigilance gateway for alerts, bulletins, risk communication and VigiMed reporting. Exact products still require checking Brazilian authorisation status, dosage form, strength and notice date item by item."
        },
        "source": {
          "id": "src_5de362c12580111d",
          "label": "Anvisa：Farmacovigilância（药物警戒、警示与 VigiMed）",
          "url": "https://www.gov.br/anvisa/pt-br/assuntos/fiscalizacao-e-monitoramento/farmacovigilancia",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "official_safety_monitoring",
          "documentKind": "regulatory_safety_communication",
          "market": "BR",
          "accessStatus": "public_access_confirmed",
          "accessMode": "public_web_page",
          "accessVerifiedAt": "2026-08-22",
          "reviewedAt": "2026-08-22"
        }
      }
    ],
    "notices": [],
    "boundary": {
      "zh": "本卡将逐药产品级来源与 15 个市场级官方警戒入口放在同一处核验；它不表示已完成该药在所有国家或地区的实时警示检索，也不表示该药存在新的安全警示、召回或风险结论。请先以品牌名、通用名、剂型、规格、所在市场和公告日期逐项匹配；不要仅因看到标题自行停药、换药、加量或减量。",
      "en": "This card brings together the medicine-specific product route and 15 market-level official vigilance gateways. It does not mean real-time alerts for this medicine have been searched in every country or region, or that the medicine has a new alert, recall or risk conclusion. Match brand, generic name, dosage form, strength, market and notice date item by item; do not self-stop, switch, increase or reduce use from a headline."
    },
    "scope": "official_routes_only_no_live_alert_inference"
  },
  "archive": {
    "summary": "美国 DailyMed 的 SYNTHROID（levothyroxine sodium）2024-02 公开标签列示 12 种每片微克（mcg）标示量。本页将每种强度与准确 NDC、包装面板及来源分别对应；“mcg／mg”是产品身份单位，不是个人该吃几片、能否对半、加减、补服、换药或换算的答案。",
    "history": "甲状腺激素产品的具体品牌、强度、剂型、包装、市场和现行标签需逐项核验。相同通用名、相近数字或都写“甲状腺素”不能证明可自行替代、交替、叠加或按毫克数换算；历史资料不构成个人用药、剂量、替代或购买建议。",
    "sourceDocuments": [
      {
        "id": "src_9fe75faad23655ce",
        "label": "DailyMed（NLM）：SYNTHROID 左甲状腺素钠美国公开标签（AbbVie；2024-02 修订）",
        "url": "https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1e11ad30-1041-4520-10b0-8f9d30d30fcc",
        "audience": "public",
        "reviewStatus": "approved",
        "publish": true,
        "documentStatus": "publication_status_unresolved",
        "documentKind": "product_label",
        "market": "US",
        "accessStatus": "public_access_confirmed",
        "accessMode": "public_web_page",
        "accessVerifiedAt": "2026-08-20",
        "reviewedAt": "2026-08-20"
      },
      {
        "id": "src_6b43994eb7ece0a2",
        "label": "FDA：SYNTHROID 2020 美国标签档案（NDA 021402）",
        "url": "https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf",
        "audience": "public",
        "reviewStatus": "approved",
        "publish": true,
        "documentStatus": "historical_public_record",
        "documentKind": "product_label",
        "market": "US",
        "accessStatus": "public_access_confirmed",
        "accessMode": "direct_document",
        "accessVerifiedAt": "2026-08-20",
        "reviewedAt": "2026-08-20"
      },
      {
        "id": "src_5ed30b676fbb9773",
        "label": "FDA Drugs@FDA 官方检索入口",
        "url": "https://www.accessdata.fda.gov/scripts/cder/daf/",
        "audience": "public",
        "reviewStatus": "approved",
        "publish": true,
        "documentStatus": "official_lookup_entry",
        "documentKind": "regulatory_lookup",
        "market": "US",
        "accessStatus": "public_access_requires_interaction",
        "accessMode": "interactive_lookup",
        "accessVerifiedAt": "2026-08-20",
        "reviewedAt": "2026-08-20"
      }
    ],
    "applicationNumber": "NDA 021402",
    "approvalTimeline": [
      {
        "date": "2002",
        "title": {
          "zh": "FDA 标签所列美国初始批准年份",
          "en": "Initial U.S. approval year listed in the FDA label"
        },
        "detail": {
          "zh": "本页链接的 FDA 标签档案列示 Initial U.S. Approval: 2002。该历史定位不等同于当前批准、可得性、持有人或其他市场状态。",
          "en": "The FDA label archive linked here lists Initial U.S. Approval: 2002. This historical locator is not a conclusion about current approval, availability, holder or another market."
        },
        "source": {
          "id": "src_6b43994eb7ece0a2",
          "label": "FDA: SYNTHROID label archive",
          "url": "https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "historical_public_record",
          "documentKind": "product_label",
          "market": "US",
          "accessStatus": "public_access_confirmed",
          "accessMode": "direct_document",
          "accessVerifiedAt": "2026-08-20",
          "reviewedAt": "2026-08-20"
        }
      },
      {
        "date": "2020",
        "title": {
          "zh": "FDA 标签档案版本",
          "en": "FDA label archive version"
        },
        "detail": {
          "zh": "本页链接 2020 的 FDA 标签档案作为可复核阅读入口。现行标签、规格、适应症和安全信息必须另行以目标市场当前文件核对。",
          "en": "This page links the 2020 FDA label archive as a traceable reading entry point. Current labeling, strength, indication and safety information require separate verification against the target market’s current document."
        },
        "source": {
          "id": "src_6b43994eb7ece0a2",
          "label": "FDA: SYNTHROID label archive",
          "url": "https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf",
          "audience": "public",
          "reviewStatus": "approved",
          "publish": true,
          "documentStatus": "historical_public_record",
          "documentKind": "product_label",
          "market": "US",
          "accessStatus": "public_access_confirmed",
          "accessMode": "direct_document",
          "accessVerifiedAt": "2026-08-20",
          "reviewedAt": "2026-08-20"
        }
      }
    ],
    "marketStatus": [
      {
        "market": {
          "zh": "美国",
          "en": "United States"
        },
        "status": {
          "zh": "已链接公开标签档案",
          "en": "Public label archive linked"
        },
        "detail": {
          "zh": "仅对应本页所列 FDA 文件。",
          "en": "Only the FDA document listed on this page is linked."
        }
      },
      {
        "market": {
          "zh": "中国大陆、欧盟、日本",
          "en": "Mainland China, EU, Japan"
        },
        "status": {
          "zh": "待逐项建立市场记录",
          "en": "Market record not established"
        },
        "detail": {
          "zh": "不从美国标签档案推定当地批准、持有人、规格、供应或可售资格。",
          "en": "No local approval, holder, strength, supply or sale-eligibility conclusion is inferred from the U.S. label archive."
        }
      }
    ],
    "frequentlyAskedQuestions": [
      {
        "question": {
          "zh": "标签档案能代表现在的产品信息吗？",
          "en": "Does a label archive represent current product information?"
        },
        "answer": {
          "zh": "不能自动代表。档案用于定位来源；需要以目标市场的现行官方标签逐项复核。",
          "en": "Not automatically. The archive locates a source; each point needs verification against the target market’s current official label."
        }
      },
      {
        "question": {
          "zh": "为什么这里不展示价格或原研/仿制结论？",
          "en": "Why are price and originator/generic conclusions not shown?"
        },
        "answer": {
          "zh": "这些结论需要产品、剂型、规格、包装、市场、日期和原始记录分别齐全并经人工审核；单一标签文件不足以支持。",
          "en": "Those conclusions require separately complete and human-reviewed product, dosage-form, strength, pack, market, date and primary-record fields; one label file is insufficient."
        }
      }
    ],
    "relatedMedicineChecks": [],
    "relatedArticleSlugs": [
      "medicine-label-for-everyday-questions",
      "how-to-read-a-drug-label",
      "regulatory-sources-first"
    ]
  },
  "canonicalUrls": {
    "zh": "https://origindrug.com/drugs/synthroid/",
    "en": "https://origindrug.com/en/drugs/synthroid/"
  },
  "limitations": [
    "No originator, generic, interchangeability, availability, price, holder, strength or sale-eligibility conclusion is inferred beyond the linked source documents.",
    "Target-market current labels and official records must be checked separately."
  ]
}