Key facts about Proscar
What is Proscar?
Proscar is the brand name for finasteride and is available as an oral tablet.
What dosages is Proscar available in?
Proscar is available as a 5 mg oral tablet.
What is Proscar used for?
Proscar is a medication used to treat benign prostatic hyperplasia (BPH). It helps relieve urinary symptoms and lessens the need for prostate surgery.
How does Proscar work?
Proscar is a 5-alpha reductase inhibitor. By blocking 5-alpha reductase from working, finasteride (Proscar) lowers the amount of DHT. So, with less DHT around, the prostate shrinks, making it easier to urinate.
How do I take Proscar?
The typical dose of Proscar is 5 mg once daily.
Is it safe for me to take Proscar?
Proscar is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:
- Hypersensitivity to any components of this product
- Women who are or may potentially be pregnant
Proscar Common Side Effects
Common side effects of Proscar:
- Inability to have an erection
- Lower sex drive
- Decrease in ejaculation amount
Proscar Serious Side Effects
Serious side effects are rare with Proscar. Contact your healthcare provider immediately if you experience any untolerable side effects.
Effects of other drugs, drug classes and over-the-counter products on Proscar
There are no major drug interactions listed for this medication. However, always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking.
Who makes Proscar?
Merck & Co., Inc.
Is Proscar safe in pregnancy?
Proscar is contraindicated for use in women who are or may become pregnant. Women should not handle crushed or broken Proscar tablets when they are pregnant or may potentially be pregnant due to potential risk to a male fetus.













