Megestrol Acetate Oral Tablet 20Mg Drug Medication Dosage Information
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Megestrol Acetate: Oral tablet (20mg)

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Drug Image file DrugItem_455.JPG
Megestrol 20mg Tab
Barr Laboratories Inc a Division of Teva USA
Pill Identification: 555 606  |  b
Drug Image file DrugItem_1574.JPG
Megestrol 20mg Tab
Par Pharmaceutical Inc
Pill Identification: PAR 289 
Drug Image file DrugItem_264.JPG
Megestrol 20mg Tab
Roxane Laboratories Inc
Pill Identification: 54 763 

What is this Medicine?

MEGESTROL (me JES trol) belongs to a class of drugs known as progestins. Megestrol tablets are used to treat advanced breast or endometrial cancer.

CVS Pharmacy Patient Statistics for Megestrol Acetate: Oral tablet(20mg)
Generic vs. Brand Name Usage*
*Brand contains same active ingredient but may not represent FDA-approved generic equivalent
Usage By Strength
In-Depth Information
Select a Medication

Megestrol Acetate 20mg Tablet

NDC: 005550606
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Breast Cancer, Endometrial Cancer

Sometimes used for but not FDA approved for the following conditions:
Hot Flashes, Prostate Cancer, Renal Cell Cancer, Endometriosis

Storage Information
Store at room temperature (between 59 to 86 degrees F)
Megestrol Acetate 20mg Tablet
Drug Image file DrugItem_455.JPG
Barr Laboratories Inc a Division of Teva USA
Pill Identification: 555 606  |  b
Shape: round
Color: white

Reported Side Effects for Megestrol Acetate 20mg Tablet

High Blood Pressure Incidence:
<8.0%*
Severity: MODERATE
Onset: EARLY
Inability To Sleep Incidence:
<6.0%*
Severity: MILD
Onset: EARLY
Increased Blood Sugar Incidence:
<6.0%*
Severity: MODERATE
Onset: DELAYED
Vomiting Incidence:
<6.0%*
Severity: MILD
Onset: EARLY
Decreased Sexual Desire Incidence:
<5.0%*
Severity: MILD
Onset: DELAYED
Upset Stomach Incidence:
<5.0%*
Severity: MILD
Onset: EARLY
Confusion Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: EARLY
Diaphoresis Incidence:
1.0-3.0%*
Severity: MILD
Onset: EARLY
Extra Saliva Production Incidence:
1.0-3.0%*
Severity: MILD
Onset: EARLY
Gynecomastia Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Enlarged Liver Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Hypoesthesia Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Decreased Thinking Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: EARLY
Increased Urination Incidence:
1.0-2.0%*
Severity: MILD
Onset: EARLY
Cough Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Constipation Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Heart Muscle Disease Incidence:
1.0-3.0%*
Severity: SEVERE
Onset: DELAYED
Rapid Heart Rate Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: EARLY
Paresthesias Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Yeast Infection Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Lazy Eye Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Vesicular Rash Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Hair Loss Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Gas Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Sore Throat Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Itching Incidence:
1.0-3.0%*
Severity: MILD
Onset: RAPID
Uncontrolled Urination Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: EARLY
Dry Mouth Incidence:
1.0-3.0%*
Severity: MILD
Onset: EARLY
Stomach Pain Incidence:
1.0-3.0%*
Severity: MILD
Onset: EARLY
Swelling Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Shortness Of Breath Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: EARLY
Infection Incidence:
1.0-3.0%*
Severity: MILD
Onset: DELAYED
Low White Blood Cell Counts Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Fluid Retention Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Nerve Pain Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Convulsions Incidence:
1.0-3.0%*
Severity: SEVERE
Onset: DELAYED
Headache Incidence:
1.0-3.0%*
Severity: MILD
Onset: EARLY
Depression Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: DELAYED
Chest Pain Incidence:
1.0-3.0%*
Severity: MODERATE
Onset: EARLY
Skin Rash Incidence:
2.0-12.0%*
Severity: MILD
Onset: EARLY
Fever Incidence:
2.0-5.0%*
Severity: MILD
Onset: EARLY
Upset Stomach Incidence:
3.0-4.0%*
Severity: MILD
Onset: EARLY
Anemia Incidence:
3.0-5.0%*
Severity: MODERATE
Onset: DELAYED
Weakness Incidence:
3.0-6.0%*
Severity: MILD
Onset: DELAYED
Impotence (erectile Dysfunction) Incidence:
4.0-14.0%*
Severity: MODERATE
Onset: DELAYED
Loose Stools Incidence:
6.0-15.0%*
Severity: MILD
Onset: EARLY
Weight Gain Incidence:
>10.0%*
Severity: MILD
Onset: DELAYED
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Pregnancy & Lactation Information
FIRST Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

SECOND Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

THIRD Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

Lactation

Avoid - This drug is known to cause harm to infants when taken by nursing mothers.


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