Monograph Details
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Endocrine System
> Thyroid disease
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ARMOUR THYROID |
| Manufacturer |
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Forest Laboratories |
| Legal Classification |
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Rx
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| Pharmacological Class |
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T3 and T4 (porcine derived). |
| Generic Name |
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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) 9micrograms and levothyroxine (T4) 38micrograms. |
| Indications |
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Hypothyroidism. |
| Children |
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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. |
| Adults |
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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. |
| Contraindications |
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Uncorrected adrenocortical insufficiency. Untreated thyrotoxicosis. |
| Precautions |
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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. |
| Interactions |
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Monitor oral anticoagulants, hypoglycemics. Estrogens affect thyroid function tests. Toxicity with large doses of sympathomimetics (e.g., anorectics). |
| Adverse Reactions |
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Hyperthyroidism, transient hair loss in children. |
| How Supplied |
Tabs 15mg, 90mg, 240mg, 300mg—100
30mg, 120mg, 180mg—100, 1000
60mg—100, 1000, 5000 |
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