Megace
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Questions & Answers
Side Effects & Adverse Reactions
Megestrol acetate may cause fetal harm when administered to a pregnant woman. For animal data on fetal effects, see PRECAUTIONS: Carcinogenesis, Mutagenesis, Impairment of Fertility: Impairment of Fertility. There are no adequate and well-controlled studies in pregnant women. If this drug is used during pregnancy, or if the patient becomes pregnant while taking (receiving) this drug, the patient should be apprised of the potential hazard to the fetus. Women of childbearing potential should be advised to avoid becoming pregnant.
Megestrol acetate is not intended for prophylactic use to avoid weight loss.
(See also PRECAUTIONS: Carcinogenesis, Mutagenesis, Impairment of Fertility.)
The glucocorticoid activity of MEGACE (megestrol acetate, USP) Oral Suspension has not been fully evaluated. Clinical cases of new onset diabetes mellitus, exacerbation of preexisting diabetes mellitus, and overt Cushing’s syndrome have been reported in association with the chronic use of MEGACE. In addition, clinical cases of adrenal insufficiency have been observed in patients receiving or being withdrawn from chronic MEGACE therapy in the stressed and non-stressed state. Furthermore, adrenocorticotropin (ACTH) stimulation testing has revealed the frequent occurrence of asymptomatic pituitary-adrenal suppression in patients treated with chronic MEGACE therapy. Therefore, the possibility of adrenal insufficiency should be considered in any patient receiving or being withdrawn from chronic MEGACE therapy who presents with symptoms and/or signs suggestive of hypoadrenalism (eg, hypotension, nausea, vomiting, dizziness, or weakness) in either the stressed or non-stressed state. Laboratory evaluation for adrenal insufficiency and consideration of replacement or stress doses of a rapidly acting glucocorticoid are strongly recommended in such patients. Failure to recognize inhibition of the hypothalamic-pituitary-adrenal axis may result in death. Finally, in patients who are receiving or being withdrawn from chronic MEGACE therapy, consideration should be given to the use of empiric therapy with stress doses of a rapidly acting glucocorticoid in conditions of stress or serious intercurrent illness (eg, surgery, infection).
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
MEGACE Oral Suspension is indicated for the treatment of anorexia, cachexia, or an unexplained, significant weight loss in patients with a diagnosis of acquired immunodeficiency syndrome (AIDS).
History
There is currently no drug history available for this drug.
Other Information
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.
Sources
Megace Manufacturers
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E.r. Squibb & Sons, L.l.c.
![Megace (Megestrol Acetate) Suspension [E.r. Squibb & Sons, L.l.c.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Megace | E.r. Squibb & Sons, L.l.c.
The recommended adult initial dosage of MEGACE Oral Suspension is 800 mg/day (20 mL/day). Shake container well before using.
In clinical trials evaluating different dose schedules, daily doses of 400 and 800 mg/day were found to be clinically effective.
A plastic dosage cup with 10 mL and 20 mL markings is provided for convenience.
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