Proscar

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList: 03/17/2022
Proscar Patient Information Including Side Effects

Brand Names: Propecia, Proscar

Generic Name: finasteride

What is finasteride (Propecia, Proscar)?

Finasteride is used alone or with other medication to treat symptoms of benign prostatic hyperplasia (BPH) in men with enlarged prostate.

Finasteride is also used to treat male pattern hair loss in men.

This medicine is for use in men only.

Finasteride may also be used for purposes not listed in this medication guide.

What are the possible side effects of finasteride (Propecia, Proscar)?

Get emergency medical help if you have 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 signs of male breast cancer, such as:

Tell your doctor right away if you have:

  • blood in your semen;
  • pain in your testicles; or
  • depression.

It may be harder for you to get a woman pregnant while you are using finasteride.

Common side effects may include:

  • decreased interest in sex;
  • trouble getting or keeping an erection;
  • trouble having an orgasm;
  • abnormal ejaculation; or
  • breast swelling or tenderness.

The sexual side effects of finasteride may continue after you stop taking this medicine. 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.

SLIDESHOW

Signs of Prostate Cancer: Symptoms, PSA Test, Treatments See Slideshow
Proscar Patient Information including How Should I Take

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What should I discuss with my healthcare provider before taking finasteride (Propecia, Proscar)?

You should not use finasteride if you are allergic to it.

Using finasteride may increase your risk of developing a serious form of prostate cancer. Ask your doctor about this risk.

Tell your doctor if you have ever had:

This medicine should never be taken by a woman or a child.

Finasteride can cause birth defects if a woman is exposed to it during pregnancy. A broken finasteride tablet should not be handled by a woman who is pregnant or may become pregnant. The medicine from a broken tablet could be absorbed through the skin.

If a woman accidentally comes into contact with a broken or crushed tablet, wash the area with soap and water right away.

How should I take finasteride (Propecia, Proscar)?

Your doctor will perform tests to make sure finasteride is the right treatment for you.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Take with a full glass of water at the same time each day, with or without food.

You may not fully benefit from this medicine for up to 3 months or longer. Use finasteride regularly for the best results.

Your doctor will need to check your progress on a regular basis. You will need frequent prostate specific antigen (PSA) tests to check for prostate cancer.

Tell your doctor if you stop taking finasteride on a regular basis because this could affect your PSA test results.

Store this medicine at room temperature, away from moisture, heat, and light. Keep the tablets in the original container, tightly closed when not in use.

QUESTION

The prostate is about the size of a _____________. See Answer
Proscar Patient Information including If I Miss a Dose

What happens if I miss a dose (Propecia, Proscar)?

Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.

What happens if I overdose (Propecia, Proscar)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking finasteride (Propecia, Proscar)?

Do not share this medicine with another person, even if they have the same symptoms you have.

What other drugs will affect finasteride (Propecia, Proscar)?

Other drugs may affect finasteride, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.

Where can I get more information (Propecia, Proscar)?

Your pharmacist can provide more information about finasteride.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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