Drugs and Supplements

Prescription Drugs

Propecia, Finasteride, side effects, drug interactions, overdose, dosage

Propecia

Generic name: Finasteride


What is Propecia?

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Propecia treats baldness in men with mild to moderate hair loss on the top of the head and the front of the midscalp area (male-pattern baldness). It increases hair growth, improves hair regrowth, and slows down hair loss. It works only on scalp hair and does not affect hair on other parts of the body.

Propecia is a low-dose form of Proscar, a drug prescribed for prostate enlargement.


What is the most important information I should know about Propecia?

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Propecia is NOT to be used by women. Taken during pregnancy, Propecia may cause abnormal development of a baby's organs. Women who may be pregnant should avoid handling a crushed or broken Propecia tablet.

Propecia lowers readings of the prostate-specific antigen (PSA) screening test for prostate cancer. If you're scheduled to have your PSA level checked, make sure the doctor knows you're taking Propecia.


Who should not take Propecia?

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Women should not take Propecia and should avoid handling Propecia if there is a chance that they may be pregnant.

Do not use Propecia if it gives you an allergic reaction, or if you've had an allergic reaction to Proscar.


What should I tell my doctor before I take the first dose of Propecia?

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Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Propecia. Also, talk to your doctor about your complete medical history, especially if you have liver problems.


What is the usual dosage?

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The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

Adult men: The recommended dosage, for men only, is 1 milligram tablet daily.

Propecia is not approved for use in women or children.


How should I take Propecia?

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For maximum benefit, take Propecia regularly once a day. It can be taken with or without food.


What should I avoid while taking Propecia?

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There are no restrictions on food, beverages, or activities during treatment with finasteride unless your doctor directs otherwise.


What are possible food and drug interactions associated with Propecia?

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No significant drug interactions have been reported.


What are the possible side effects of Propecia?

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Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

Side effects may include: decreased amount of semen per ejaculation, decreased sex drive, impotence


Can I receive Propecia if I am pregnant or breastfeeding?

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Propecia is not for use in pregnant or breastfeeding women. Women should not handle crushed or broken Propecia tablets when they are pregnant or may be pregnant because of the possibility of absorption of Propecia and the subsequent potential risk to a male fetus.


What should I do if I miss a dose of Propecia?

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Take it as soon as you remember. If it is almost time for your next dose, skip the dose you missed and go back to your regular schedule. Do not take 2 doses at the same time.


How should I store Propecia?

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Store at room temperature in a closed container away from moisture.