Monograph Details

Endocrine System > Thyroid disease
TRIOSTAT
Manufacturer
JHP Pharmaceuticals
Legal Classification
Rx
Pharmacological Class
T3 (synthetic).
Generic Name
Liothyronine (as sodium) 10micrograms/mL; soln for IV inj.
Indications
Myxedema coma/precoma.
Children
Not recommended.
Adults
Give with glucocorticoids. Allow 4–12 hours between doses. Initially 25–50micrograms. Cardiovascular disease: initially 10–20micrograms. Usual range: 65–100micrograms daily. Change to oral therapy as soon as possible: start tabs at low dose and increase gradually; discontinue IV gradually.
Contraindications
Uncorrected adrenocortical insufficiency. Untreated thyrotoxicosis. Artificial rewarming.
Precautions
Not for treatment of obesity. Cardiovascular disease, angina, elderly: initiate therapy at 10–20micrograms. Severe and prolonged hypothyroidism. Fluid therapy. Adrenocortical insufficiency. Pregnancy (Cat.A). Nursing mothers.
Interactions
Potentiates digitalis toxicity, tricyclic antidepressants, sympathomimetics (e.g., anorectics). May increase risk of coronary insufficiency with vasopressors. Monitor oral anticoagulants, hypoglycemics. Estrogens affect thyroid function tests. May be potentiated by tricyclic antidepressants. Hypertension, tachycardia with ketamine.
Adverse Reactions
Arrhythmia, tachycardia, cardiopulmonary arrest, hypotension, MI, angina, CHF, hypertension, twitching.
How Supplied
Vials (1mL)—6