Medications and Drugs
Brand Names: Propecia, Proscar
Generic Name: finasteride (Pronunciation: fih NAH steh ride)
What is finasteride (Propecia, Proscar)?
Finasteride prevents the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is involved in the development of benign prostatic hyperplasia (BPH).
Finasteride may also be used for purposes not listed in this medication guide.
Finasteride 5 mg-MYL
round, white, imprinted with M, 151
Finasteride 5 mg-TEV
oblong, blue, imprinted with 93, 7355
Propecia 1 mg
octagonal, pink, imprinted with PROPECIA 1, MRK 71
Proscar 5 mg
shield, blue, imprinted with PROSCAR, MSD 72
What are the possible side effects of finasteride (Propecia, Proscar)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Less serious side effects may include:
The sexual side effects of finasteride (decreased libido, trouble having an erection, ejaculation problems) may continue after you stop taking this medication. Talk to your doctor if you have concerns about these side effects.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about finasteride (Propecia, Proscar)?
Finasteride should never be taken by a woman or a child. Finasteride can be absorbed through the skin, and women or children should not be permitted to handle finasteride tablets.
Although finasteride is not for use by women, this medication can cause birth defects if a woman is exposed to it during pregnancy. Finasteride tablets should not be handled by a woman who is pregnant or who may become pregnant.
If a woman accidentally comes into contact with this medication from a broken or crushed tablet, wash the area with soap and water right away.
Using finasteride may increase your risk of developing prostate cancer. Your doctor will perform tests to make sure you do not have other conditions that would prevent you from safely using finasteride.
Call your doctor at once if you notice any breast lumps, pain, nipple discharge, or other breast changes. These may be signs of male breast cancer.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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