# OnCo record levothyroxine (drug). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/drugs/levothyroxine/>
  a schema:Drug ;
  onco:kind "drug" ;
  schema:identifier "levothyroxine" ;
  schema:name "Levothyroxine"@en ;
  schema:alternateName "L-thyroxine"@en, "T4"@en, "thyroxine"@en, "Synthroid / Eltroxin" ;
  schema:description "Levothyroxine replaces thyroid hormone. After surgery and radioactive iodine for thyroid cancer it is given at a dose that also keeps TSH down, and it treats the underactive thyroid that immunotherapy can cause."@en ;
  schema:url <https://onco.cc/drugs/levothyroxine/> ;
  schema:dateModified "2026-11-11"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Levothyroxine> ;
  schema:citation <https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=008de8fd-150f-4022-8ccb-c8bfa94875c7>, <https://doi.org/10.1136/jitc-2021-002435> ;
  onco:status "approved" ;
  onco:tag "supportive", "generic", "supportive-care-gaps-2026-11" ;
  onco:modality "Thyroid hormone replacement (oral)" ;
  onco:approval "US 2002: Hypothyroidism; TSH suppression with surgery and radioiodine in well-differentiated thyroid cancer" ;
  onco:cancers <https://onco.cc/cancers/thyroid/> ;
  onco:terms <https://onco.cc/terms/tsh-suppression/>, <https://onco.cc/terms/immune-endocrinopathy/> .