Drug Name

Propecia (Finasteride)

Drug Uses

Propecia (Finasteride) is used to treat male pattern hair loss.

How to use

Take one tablet daily or as directed by your doctor. This drug may be taken with or without meals.
For maximum benefit, take Propecia regularly once a day. This drug usually must be taken regularly for 3 months for the benefits to be noticeable. Once treatment is stopped, any gain in hair quantity will be lost.

Drug Class and Mechanism

Propecia prevents the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is involved in the development of benign prostatic hyperplasia (BPH) and hair loss. This medication is used to treat symptoms of benign prostatic hyperplasia (BPH) in men with an enlarged prostate.

Missed Dose

If you miss a dose of Propecia and you are using it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to you regular dosing schedule. Do not take 2 doses at once.

Storage

Store at room temperature away from sunlight and moisture.

Warnings/Precautions

Before taking finasteride, tell your doctor if you have ever had an allergic reaction to this medication, or to a similar medicine called dutasteride (Avodart). 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. 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.
There may be other drugs that can interact with finasteride. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Possible Side Effects

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. 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. Less serious side effects may include:

• feeling like you might pass out;
• swelling in your hands or feet;
• pain in the testicles;
• impotence, loss of interest in sex, or trouble having an orgasm;
• abnormal ejaculation;
• swelling or tenderness in your breasts;
• dizziness, weakness;
• headache;
• runny nose; or
• skin rash.

More Information

Do not share this drug with others.