Armour Thyroid Generic Name & Formulations
Thyroid 15mg (¼ grain), 30mg (½ grain), 60mg (1 grain), 90mg (1 + ½ grain), 120mg (2 grains), 180mg (3 grains)+, 240mg (4 grains), 300mg (5 grains)+; tabs; +scored. Each grain of thyroid contains liothyronine (T3) 9mcg and levothyroxine (T4) 38mcg.
T3 and T4 (porcine derived).
Tabs 15mg, 90mg, 240mg, 300mg—100; 30mg, 120mg, 180mg—100, 1000; 60mg—100, 1000, 5000
Armour Thyroid Indications
Armour Thyroid Dosage and Administration
Hypothyroidism: initially 30mg daily (long-standing myxedema: initially 15mg daily); increase by 15mg every 2–3 weeks; usual maintenance: 60–120mg daily. Myxedema coma: see literature.
Hypothyroidism: <6months: 4.8–6mg/kg daily. 6–12months: 3.6–4.8mg/kg daily; 1–5yrs: 3–3.6mg/kg daily; 6–12yrs: 2.4–3mg/kg daily; ≥12yrs: 1.2–1.8mg/kg daily.
Armour Thyroid Contraindications
Uncorrected adrenocortical insufficiency. Untreated thyrotoxicosis.
Armour Thyroid Boxed Warnings
Armour Thyroid Warnings/Precautions
Not for treatment of obesity. Cardiovascular disease, angina, elderly: use lower initial dose. Adrenocortical insufficiency. Monitor for craniosynostosis in infants. Pregnancy (Cat.A). Nursing mothers.
Armour Thyroid Pharmacokinetics
Armour Thyroid Interactions
Monitor oral anticoagulants, hypoglycemics. Estrogens affect thyroid function tests. Toxicity with large doses of sympathomimetics (e.g., anorectics).
Armour Thyroid Adverse Reactions
Hyperthyroidism, transient hair loss in children.
Armour Thyroid Clinical Trials
Armour Thyroid Note
Armour Thyroid Patient Counseling