Medications Affecting Thyroid Function

Aka: Medications Affecting Thyroid Function, Drug-Induced Thyroiditis

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II. Causes: Medications associated with Hypothyroidism

  1. Inorganic Iodine
  2. Iodide
  3. Amiodarone
  4. Cyanates
  5. Lithium
  6. Interleukin-2
  7. Interferon
  8. Rifampin
  9. Tyrosine Kinase Inhibitors
  10. Immune Checkpoint Inhibitors
  11. Phenobarbital

III. Causes: Medications associated with Hyperthyroidism

  1. Excess Thyroid Hormone intake
  2. Excess Iodine exposure (Jod-Basedow phenomenon)
    1. Dietary Iodine
    2. Radiocontrast Material (contains Iodine)
    3. Amiodarone (contains 37% Iodine)

IV. Causes: Medications causing Thyroiditis

  1. Amiodarone
    1. Type 1 Amiodarone-induced Thyrotoxicosis
      1. Increased Thyroid Hormone synthesis (pre-existing Goiter)
      2. Treated with antithyroid medications (and Beta Blockers as needed for symptom control)
    2. Type 2 Amiodarone-induced Thyrotoxicosis
      1. Destructive Thyroiditis results in increased T4 and T3 release into circulation
      2. Treated with Glucocorticoids (and Beta Blockers as needed for symptom control)
  2. Denileukin (Ontak)
    1. CD25 cytotoxin used in CTCL, CLL, Psoriasis causes Hyperthyroidism
  3. Interferon-alfa
    1. Autoimmune mechanism causes Thyroiditis with Hypothyroidism or Hyperthyroidism
  4. Interleukin-2
    1. Autoimmune mechanism causes Thyroiditis with Hypothyroidism more often than Hyperthyroidism
  5. Lithium
    1. Autoimmune mechanism causes Thyroiditis with Hypothyroidism more often than Hyperthyroidism
  6. Tyrosine Kinase Inhibitors
    1. Thyroid uptake inhibition results in Hypothyroidism

V. References

  1. Barbesino (2010) Thyroid 20(7): 763-70 [PubMed]
  2. Perez Lopez (2011) Endocrinol Nutr 58(2): 94-6 [PubMed]
  3. Sweeney (2014) Am Fam Physician 90(6): 389-96 [PubMed]

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Related Studies

Ontology: Drug-induced thyroiditis (C0342179)

Concepts Pathologic Function (T046)
ICD10 E06.4
SnomedCT 237539004
German Arzneimittelinduzierte Thyreoiditis
Korean 약물 유발성 갑상샘염
English thyroiditis drug-induced, thyroiditis drug-induced (diagnosis), Drug-induced thyroiditis, Drug-induced thyroiditis (disorder), drug; thyroiditis, thyroiditis; drug-induced
Dutch geneesmiddel; thyroïditis, thyroïditis; door geneesmiddel, Door geneesmiddel veroorzaakte thyroïditis
Spanish tiroiditis farmacógena (trastorno), tiroiditis farmacógena, tiroiditis medicamentosa (trastorno), tiroiditis medicamentosa
Derived from the NIH UMLS (Unified Medical Language System)

Related Topics in Pharmacology

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