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Armour Thyroid
thyroid (porcine)
Black Box Warnings .
Not for Obesity/Weight Loss
not for obesity/weight loss alone or as combo tx; in euthyroid pts doses within range of daily hormonal requirements ineffective for weight loss; larger doses may cause serious or life-threatening toxicity, especially given in combo w/ sympathomimetic amines incl. those w/ anorectic effects
Adult Dosing .
Dosage forms: TAB: 15 mg, 30 mg, 60 mg, 90 mg, 120 mg, 180 mg, 240 mg, 300 mg
Special Note
- [strength clarification]
- Info: thyroid (porcine) contains liothyronine (T3) and levothyroxine (T4) in approx. 1:4 ratio; 60-65 mg thyroid (porcine) contain 9 mcg T3 and 38 mcg T4
- [thyroid product equivalencies]
- Info: for product conversion purposes, 60-65 mg thyroid (porcine) = 100 mcg levothyroxine = 25 mcg liothyronine = 1 grain liotrix
hypothyroidism
- [60-120 mg PO qd]
- Start: 30 mg PO qd, incr. 15 mg/day q6wk; Info: use lower start dose, slower titration if elderly, long-standing dz, myxedema, or cardiac dz/risk factors; may start full replacement dose for healthy pts <65 yo w/o cardiac dz; suspect malabsorption, drug interaction, or noncompliance if failed response to 180 mg/day
thyroid suppression test
- [2.5 mg/kg/dose PO qd x7-10 days]
- Info: check radioactive iodine uptake pre- and post-tx, >50% suppression of uptake = normal
renal dosing
- [not defined]
- renal impairment: not defined
- HD/PD: not defined
hepatic dosing
- [not defined]
Peds Dosing .
- Dosage forms: TAB: 15 mg, 30 mg, 60 mg, 90 mg, 120 mg, 180 mg, 240 mg, 300 mg
Special Note
- [strength clarification]
- Info: thyroid (porcine) contains liothyronine (T3) and levothyroxine (T4) in approx. 1:4 ratio; 60-65 mg thyroid (porcine) contain 9 mcg T3 and 38 mcg T4
- [thyroid product equivalencies]
- Info: for product conversion purposes, 60-65 mg thyroid (porcine) = 100 mcg levothyroxine = 25 mcg liothyronine = 1 grain liotrix
hypothyroidism, congenital
- [<6 mo]
- Dose: 15-30 mg PO qd; Alt: 4.8-6 mg/kg/dose PO qd; Info: start full dose upon diagnosis
- [6-11 mo]
- Dose: 30-45 mg PO qd; Alt: 3.6-4.8 mg/kg/dose PO qd; Info: start full dose upon diagnosis
- [1-5 yo]
- Dose: 45-60 mg PO qd; Alt: 3-3.6 mg/kg/dose PO qd
- [6-12 yo]
- Dose: 60-90 mg PO qd; Alt: 2.4-3 mg/kg/dose PO qd
- [>12 yo]
- Dose: 90-180 mg PO qd; Alt: 1.2-1.8 mg/kg/dose PO qd
renal dosing
- [not defined]
- renal impairment: not defined
- HD/PD: not defined
hepatic dosing
- [not defined]