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(megestrol acetate, USP) Oral Suspension
MEGACE® (megestrol acetate, USP) Oral Suspension contains megestrol acetate, a synthetic derivative of the naturally occurring steroid hormone, progesterone. Megestrol acetate is a white, crystalline solid chemically designated as 17α-(acetyloxy)6-methylpregna-4,6-diene-3,20-dione. Solubility at 37°C in water is 2 μg per mL, solubility in plasma is 24 μg per mL. Its molecular weight is 384.51.
The empirical formula is C24H32O4 and the structural formula is represented as follows:
megestrol acetate, USP
MEGACE Oral Suspension is supplied as an oral suspension containing 40 mg of micronized megestrol acetate per mL.
MEGACE Oral Suspension contains the following inactive ingredients: alcohol (max. 0.06% v/v from flavor), citric acid, lemon-lime flavor, polyethylene glycol, polysorbate 80, purified water, sodium benzoate, sodium citrate, sucrose, and xanthan gum.
What are the possible side effects of megestrol (Megace, Megace ES)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
- high blood sugar (increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, weight loss);
- nausea, vomiting, dizziness, weakness, or feeling like you might pass out;
- sudden numbness or weakness, especially on one side of the body;
- chest pain, sudden cough,...
Last reviewed on RxList: 4/19/2012
This monograph has been modified to include the generic and brand name in many instances.
Additional Megace Information
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