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Armour Thyroid Generic Name & Formulations
Legal Class
Rx
General Description
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.
Pharmacological Class
T3 and T4 (porcine derived).
How Supplied
Tabs 15mg, 90mg, 240mg, 300mg—100; 30mg, 120mg, 180mg—100, 1000; 60mg—100, 1000, 5000
Manufacturer
Generic Availability
NO
Armour Thyroid Indications
Indications
Hypothyroidism.
Armour Thyroid Dosage and Administration
Adult
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.
Children
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
Contraindications
Uncorrected adrenocortical insufficiency. Untreated thyrotoxicosis.
Armour Thyroid Boxed Warnings
Not Applicable
Armour Thyroid Warnings/Precautions
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
Elimination
Fecal.
Armour Thyroid Interactions
Interactions
Monitor oral anticoagulants, hypoglycemics. Estrogens affect thyroid function tests. Toxicity with large doses of sympathomimetics (e.g., anorectics).
Armour Thyroid Adverse Reactions
Adverse Reactions
Hyperthyroidism, transient hair loss in children.
Armour Thyroid Clinical Trials
See Literature
Armour Thyroid Note
Not Applicable
Armour Thyroid Patient Counseling
See Literature
