Home » Products » Proscar

Product Information

Other Brand Names
  1. Propecia

  2. Proscar

Finasteride prevents the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is linked to both benign prostatic hyperplasia (BPH) and male pattern baldness. 

Finasteride is used to treat male pattern hair loss in men and the symptoms of benign prostatic hyperplasia (BPH) in men with an enlarged prostate.

This medicine is for use in men only.

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

What are the available dosage forms and strengths?

  • 1mg (Propecia)

  • 5mg (Proscar)

How should you take Finasteride (Propecia, Proscar)? 

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use exactly as directed by your healthcare provider.

Take this medicine with a full glass of water.

Take the medicine at the same time each day, with or without food.

Use finasteride regularly to get the most benefit.

Usual Adult Dose for Benign Prostatic Hyperplasia:

  • 5 mg orally once a day

Usual Adult Dose for Androgenetic Alopecia (male pattern baldness):

  • 1 mg orally once a day

It may take up to 3 months or longer before you receive the full benefit of taking finasteride. Your doctor will determine how long to treat you with this medicine. Keep using the medication as directed.

You will need frequent medical tests. Your doctor will also test your prostate specific antigen (PSA) to check for prostate cancer.

If you miss a dose, take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

Store at room temperature; away from moisture, heat, and light. Keep the bottle tightly closed when not in use.

Who should not take Finasteride (Propecia, Proscar)?

You should not use finasteride if you are allergic to it. Finasteride should never be taken by a woman or a child. Finasteride 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 may become pregnant. If a woman accidentally comes into contact with a broken or crushed tablet, wash the area with soap and water right away.

What to avoid while taking Finasteride (Propecia, Proscar)?

Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.

What should I tell my healthcare provider before using Finasteride (Propecia, Proscar)? 

Tell your doctor if you have ever had:

  • liver disease, or abnormal liver function tests

  • prostate cancer

  • a bladder muscle disorder

  • stricture of your urethra

  • urination problems

  • an allergic reaction to a similar medicine called dutasteride (Avodart)

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:

  • breast lumps

  • breast pain or tenderness

  • nipple discharge

  • any other breast changes

Common side effects may include:

  • loss of interest in sex

  • impotence

  • trouble having an orgasm

  • abnormal ejaculation

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.

What other drugs interact with Finasteride (Propecia, Proscar)? 

Tell your doctor about all your other medicines, especially:

  • carbamazepine (Tegretol, Tegretol XR, Equetro, Carbatrol)

  • rifampin

  • St. John's wort

  • itraconazole

  • erythromycin

  • diltiazem

This list is not complete. Other drugs may affect this medication, including prescription and over-the-counter medicines, vitamins, and herbal products.

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

If you have any questions about buying discount Finasteride (Propecia, Proscar) or any other prescription products online, you can contact us.

What happens if I overdose?

Seek emergency medical attention

Other Information

Description of Proscar

Uses of Proscar

Available dosage forms and strengths

How should you take Proscar

Precautions and contraindications for Proscar

In case of overdosage

Warnings and Cautions

Drug interactions


Do you have any questions regarding this product?

Delivery Timetable


Average regular delivery time for Proscar is 10 days from our Canadian online pharmacy.


Delivery times for Proscar do vary depending on the location of the dispensary.


The reason deliveries take time is primarily due to customs procedures that need to be completed.


Expedited and tracked delivery services are available from our Canadian online dispensary.

Product Reviews

Your overall rating

CanadaOnlineHealth.com, is your #1 Canadian Mail Order Pharmacy service offering access to thousands of safe, affordable, reliable, brand-name and generic prescription medications from our licensed, tier one, certified full-service pharmacy partners; order online today or call us at 1-800-399-3784.

About our partner pharmacies: CanadaOnlineHealth only works with approved dispensaries from countries such as Canada, Britain, Australia, and New Zealand. All of our pharmacy partners are licensed in the jurisdiction where they are located. What this means is CanadaOnlineHealth is working with licensed health care professionals in licensed pharmacies around the world. We have direct relationships with pharmacies in Canada, the UK, Australia, and New Zealand. Your first line of contact is with our pharmacy partner in Canada. Our licensed pharmacist partners in Canada are happy to address all of your pharmacy related health care concerns. By carefully reviewing your prescriptions our pharmacy partners ensure both the accuracy and safety of your order, considering both the appropriateness of the order and the possibility of any drug interactions you need to be made aware of. Please be sure to share all of your current medications with our staff when opening an account with us so our partner pharmacies may consider all possible drug related issues.

Live Chat