Proscar (Finasteride)

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Finasteride 5mg

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Proscar 5mg

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Manufactured by: Merck Sharp & Dohme
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Finasteride 5mg

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Manufactured by: Teva Pharmaceuticals
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Proscar 5mg

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Proscar (Finasteride) Medication Information

Uses

Proscar is used to treat benign prostatic hyperplasia (BPH).

Dosage

Proscar is available in 5 mg strength tablets. 

Side Effects

The most common side effects of Proscar include:

  • Impotence
  • Decrease libido
  • Breast enlargement
  • Rash 

Speak with your doctor for a full list of side effects that apply to you if you are taking Finasteride.

Precautions

Before starting Proscar patients should be fully evaluated to ensure that they do not have prostate cancer. 

Caution should be used in patients with liver failure who are taking Finasteride. 

Women who are pregnant should not handle crushed or broken Proscar tablets, as it can have unwanted effects on male fetuses. 

Interactions

No clinically significant drug interaction has been identified by the drug manufacturer of Proscar. 

Speak with your doctor for more information and before starting a new medication with Finasteride. 

Storage

Store at room temperature (86ºF). Protect tablets from light.

Pharmacist Tips

  • Proscar recommended dose is 5 mg once a day
  • Proscar can be taken with or without food. 
  • Proscar can be taken with other medications for BPH, like an alpha blocker. 

Finasteride FAQs

How long does Proscar take to shrink the prostate?

It can take up to 6 months to see the full effect of Proscar.

 

What time of day should Proscar be taken?

Finasteride can be taken at any time of day.

 

What are the side effects of Proscar?

The most common side effects seen with Finasteride include impotence, abnormal ejaculation, breast enlargement, dizziness, and headache. 

 

Does Proscar make you tired?

Proscar does not typically cause patients to feel tired. 

 

Does Proscar affect blood pressure?

Unlike other medications used to treat BPH, Finasteride should not have an effect on blood pressure. 

 

Related Drugs

Reference:

Proscar {package insert}. Whitehouse Station, NJ:Merck & Co., Inc.; 2010.

https://www.accessdata.fda.gov/drugsatfda_docs/label/2010/020180s037lbl.pdf

PharmD Medical Writer

Author: Dr. Larisa Roybal, PharmD

Dr. Roybal is a board-certified pharmacotherapy specialist who has practiced in both ambulatory and acute care settings. Her pharmacy interests include oncology and general inpatient pharmacy.

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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