Metyrosinedrug info
metyrosine 250 MG Oral Capsule
What it is used for
Metyrosine capsules are indicated in the treatment of patients with pheochromocytoma for: 1. Preoperative preparation of patients for surgery. 2. Management of patients when surgery is contraindicated. 3. Chronic treatment of patients with malignant pheochromocytoma. Metyrosine capsules are not recommended for the control of essential hypertension.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective April 14, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Metyrosine is (–)-α-methyl-L-tyrosine or (α-MPT). It has the following structural formula: Metyrosine, USP is a white to off-white powder of molecular weight 195.22 g/mol and molecular formula C 10 H 13 NO 3. It is very slightly soluble in methanol and insoluble in chloroform. Metyrosine, USP is supplied as capsules for oral administration. Each capsule contains 250 mg metyrosine, USP. Inactive ingredients are colloidal silicon dioxide, D & C yellow 10, FD & C blue 1, FD & C red 3, FD & C red 40, gelatin, hydroxypropyl cellulose, low-substituted hydroxypropyl cellulose, magnesium stearate, titanium dioxide and water. Each capsule is imprinted with black pharmaceutical ink which contains: butyl alcohol, dehydrated alcohol, ferrosoferric oxide, isopropyl alcohol, potassium hydroxide, propylene glycol, purified water, shellac and strong ammonia solution. Meets USP Dissolution Test 2. QWERTY
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective April 14, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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