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Drugs reference index «Finasteride»



Generic Name: Finasteride (fin-AS-ter-ide)Brand Name: Propecia

Finasteride is used for:

Treating certain types of male pattern hair loss (androgenic alopecia) in men.

Finasteride is a steroid reductase inhibitor. It works by reducing the amount of the hormone dihydrotestosterone (DHT) in the body. This may block certain types of hair loss in men.

Do NOT use Finasteride if:

  • you are allergic to any ingredient in Finasteride
  • you are pregnant or may become pregnant

Contact your doctor or health care provider right away if any of these apply to you.

Before using Finasteride :

Some medical conditions may interact with Finasteride . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are planning to become pregnant or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have a narrowing or blockage in the urinary tract, prostate cancer, or trouble urinating
  • if you have a history of abnormal liver function tests or liver problems

Some MEDICINES MAY INTERACT with Finasteride . However, no specific interactions with Finasteride are known at this time.

Ask your health care provider if Finasteride may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Finasteride :

Use Finasteride as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • An extra patient leaflet is available with Finasteride . Talk to your pharmacist if you have questions about this information
  • Take Finasteride by mouth with or without food.
  • Continue to take Finasteride even if you notice improvement of your symptoms. Do not miss any doses.
  • Taking Finasteride at the same time each day will help your remember to take it.
  • If you miss a dose of Finasteride , skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Finasteride .

Important safety information:

  • You may need to take Finasteride for up to 3 months before you notice any improvement. Do not take more than the recommended dose without checking with your doctor.
  • If your symptoms do not improve within 12 months, check with your doctor. You may need to discuss other treatment options.
  • Infrequently, Finasteride may cause decreased sexual desire or ability. These effects usually decrease in men who continue to take Finasteride . If they continue or become bothersome, check with your doctor.
  • Finasteride may increase the risk of certain birth defects, including abnormal formation of genitalia in male fetuses. Finasteride is coated to prevent contact with finasteride while handling undamaged tablets. The coating is not effective if the tablets are damaged, broken, or crushed. Women who are pregnant or may be pregnant should avoid contact with damaged, broken, or crushed tablets. If contact occurs, tell your doctor at once.
  • Finasteride may interfere with certain lab tests, including prostate-specific antigen tests. Be sure your doctor and lab personnel know you are taking Finasteride .
  • Finasteride should not be used in CHILDREN; safety and effectiveness in children have not been confirmed.
  • PREGNANCY AND BREAST-FEEDING: Finasteride may cause harm to the fetus. It is not known if Finasteride is found in breast milk. Finasteride is not approved for use in women.

Possible side effects of Finasteride :

All medicines may cause side effects, but many people have no, or minor, side effects. No COMMON side effects have been reported with Finasteride . Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); breast enlargement, lumps, pain, or tenderness; nipple discharge; testicular pain.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately.

Proper storage of Finasteride :

Store Finasteride at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Finasteride out of the reach of children and away from pets.

General information:

  • If you have any questions about Finasteride , please talk with your doctor, pharmacist, or other health care provider.
  • Finasteride is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about Finasteride . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

  • Finasteride Professional Patient Advice (Wolters Kluwer)
  • Finasteride Prescribing Information (FDA)
  • Finasteride Detailed Consumer Information (PDR)
  • finasteride Advanced Consumer (Micromedex) - Includes Dosage Information
  • Propecia Prescribing Information (FDA)
  • Propecia Detailed Consumer Information (PDR)
  • Propecia Consumer Overview
  • Proscar Prescribing Information (FDA)
  • Proscar Consumer Overview

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