Monograph Details

Infections & Infestations > Tuberculosis
TRECATOR
Manufacturer
Wyeth Pharmaceuticals
Legal Classification
Rx
Generic Name
Ethionamide 250mg; tabs.
Indications
Adjunct in tuberculosis, when INH and rifampin are not appropriate.
Children
Give with meals to minimize GI upset. 10–20mg/kg in 2–3 divided doses, or 15mg/kg once daily.
Adults
Give with meals to minimize GI upset. Initially 250mg/day in 1–4 divided doses; titrate to highest tolerated dose (see literature). Usual range: 15–20mg/kg daily; max 1g/day.
Contraindications
Severe hepatic impairment.
Precautions
Re-titrate when switching from Trecator SC sugar-coated tabs. Give with pyridoxine. Diabetes. Do baseline and periodic blood glucose levels, eye exams (including ophthalmoscopy). Monitor thyroid function. Obtain SGOT and SGPT before and monthly; suspend if levels increase. Pregnancy (Cat.C). Nursing mothers.
Interactions
Avoid alcohol. Potentiates other antituberculars. Convulsions with cycloserine.
Adverse Reactions
GI upset, abdominal pain, excessive salivation, metallic taste, stomatitis, anorexia, liver dysfunction, psychosis, drowsiness, dizziness, restlessness, headache, postural hypotension, hypoglycemia, gynecomastia, impotence, acne; rarely; peripheral/optic neuritis, visual disturbances, pellagra, thrombocytopenia.
Extra Text
Note: Trecator tablets have been reformulated from a sugar-coated tablet to a film-coated tablet which may result in higher peak levels.
How Supplied
Tabs—100