Prostarinol tablets


  • Active Ingredient: Finasteride
  • 5 mg, 1 mg
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What is Prostarinol?

The active ingredient of Prostarinol brand is finasteride. Finasteride prevents the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is involved in the development of benign prostatic hyperplasia (BPH). Finasteride is a white crystalline powder with a melting point near 250В°C. It is freely soluble in chloroform and in lower alcohol solvents, but is practically insoluble in water. Finasteride tablets USP for oral administration are film-coated tablets that contain 5 mg of Finasteride and the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, docusate sodium, magnesium stearate, opadry blue (FD&C blue #2 aluminium lake, hypromellose, talc, titanium dioxide, yellow iron oxide). The botanical source of the Pregelatinized Starch is Maize

Used for

Prostarinol is used to treat diseases such as: Androgenetic Alopecia, Benign Prostatic Hyperplasia.

Side Effect

Possible side effects of Prostarinol include: skin rash; loss in sexual ability, desire, drive, or performance; diarrhea; sleepiness or unusual drowsiness; persistent crusting or scaling of the nipple; redness of the skin.

How to Buy Prostarinol tablets online?

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  • What are the uses for Prostarinol-oral (hair growth)?
  • What are the side effects of Prostarinol-oral (hair growth)?
  • What is the dosage for Prostarinol-oral (hair growth)?
  • Which drugs or supplements interact with Prostarinol-oral (hair growth)?
  • Is Prostarinol-oral (hair growth) safe to take if I'm pregnant or breastfeeding?
  • What else should I know about Prostarinol-oral (hair growth)?

Risky Business for Two Patients

Dr. Walsh has seen this risk in action in multiple patients. Two cases involved men who had been taking Propecia, a form of Prostarinol that’s used to restore hair loss, for 10 years. One man had a PSA of 3.8 ng/ml, and the other had a PSA of 4 ng/ml. Since Prostarinol lowers PSA levels, some calculations are needed to determine the true PSA number for each patient. These men actually had PSA levels between 9 ng/ml and 10 ng/ml. Both of them had high-grade prostate cancer classified as Gleason 8 disease that had spread outside the prostate. One of them had a positive surgical margin. If surgical margins (the edges of the removed tumor) are positive, they show cancer cells or indicate that the cancer is just a short distance from the edge of the specimen.

Dosage for male pattern hair loss

Generic: Prostarinol

  • Form: oral tablet
  • Strengths: 1 mg

Brand: Propecia

  • Form: oral tablet
  • Strengths: 1 mg

Adult dosage (ages 18 years and older)

  • Typical dosage: 1 mg per day.

Child dosage (ages 0-17 years)

Dosage for people younger than 18 years hasn’t been established. This drug is not prescribed for use in children.


Prostarinol (Proscar) is a drug prescribed for the treatment of prostate gland enlargement (benign prostatic hyperplasia or BPH). Side effects, drug interactions, pregnancy information, dosing, and patient information should be reviewed prior to taking any medication.

home drugs a-z list Proscar(Prostarinol) side effects drug center

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Proscar (Prostarinol) is an inhibitor of steroid Type II 5a-reductase, that works by decreasing the amount of a natural body hormone dihydrotestosterone (DHT) that causes growth of the prostate, and is used to treat symptoms of benign prostatic hyperplasia (BPH) in men with an enlarged prostate. Proscar is available in generic form. Common side effects of Proscar include

In some men, Proscar can decrease the amount of semen released during sex. This is harmless. Proscar may also increase hair growth. The sexual side effects of Proscar may continue after you stop taking it. Talk to your doctor if you have concerns about these side effects.

The recommended dose of Proscar is one tablet (5 mg) taken once a day. Other drugs may interact with Proscar. Tell your doctor all prescription and over-the-counter medications and supplements you use. Proscar is not recommended for use in women and must not be used during pregnancy. This medication is not usually used in women. Therefore, it is unlikely to be used during pregnancy or breast-feeding.

Our Proscar (Prostarinol) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

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.


Most men were older and were taking concomitant medications and/or had comorbid conditions:

Very common (10% or more): Impotence (up to 18.5%)

Common (1% to 10%): Abnormal ejaculation, decreased ejaculatory volume, abnormal sexual function, gynecomastia, erectile dysfunction, ejaculation disorder, testicular pain, male infertility and/or poor seminal quality

Two hundred fourteen reports of gynecomastia in men taking Prostarinol in the United States were received by the FDA between June 1992 and February 1995. Among those reported, fifty eight percent were taking additional medications that have been associated with gynecomastia. Sixty nine of 86 patients who discontinued Prostarinol treatment had partial or complete remission.

New reports of drug-related sexual adverse experiences have been reported to decrease with duration of therapy.

Erectile dysfunction has been reported to continue beyond treatment discontinuation. Normalization or improvement of seminal quality has been reported after withdrawing Prostarinol treatment.

No dosage adjustment is necessary in patients with renal impairment. In patients with chronic renal impairment, with creatinine clearances ranging from 9.0 to 55 mL/min, AUC, maximum plasma concentration, half-life, and protein binding after a single dose of 14 C-Prostarinol were similar to values obtained in healthy volunteers. Urinary excretion of metabolites was decreased in patients with renal impairment. This decrease was associated with an increase in fecal excretion of metabolites. Plasma concentrations of metabolites were significantly higher in patients with renal impairment (based on a 60% increase in total radioactivity AUC). However, Prostarinol has been well tolerated in BPH patients with normal renal function receiving up to 80 mg/day for 12 weeks, where exposure of these patients to metabolites would presumably be much greater.

What are some other side effects of Prostarinol 5 mg Tablets?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Feeling dizzy, tired, or weak.
  • This medicine may cause a change in sex ability in men or lowered interest in sex. This could go on after you stop this medicine (Prostarinol 5 mg tablets). Talk with your doctor if these effects go on or bother you.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at

More common side effects

The more common side effects that can occur with Prostarinol include:

  • decreased sex drive
  • trouble getting or keeping an erection
  • ejaculation disorder
  • increase in breast size and tenderness
  • skin rash

If these effects are mild, they may disappear within a few days or a couple of weeks. If they’re more severe or don’t disappear, talk to your doctor or pharmacist.

What are the side effects of Prostarinol?

Side effects are rare but can include impotence and decreased sex drive. Prostarinol should not be used by women, children, or male partners of women trying to become pregnant. Prostarinol should not be used until a thorough prostate examination has been done to exclude cancer, stricture, or infection in the gland. Rarely, cases of male breast cancer have been reported.


This unique site is dedicated exclusively to Prostarinol.

It offers you the most extensive product information and up-to-date resources regarding this medication, including related news articles, medical studies, an image library and all the necessary information on dosage and side effects.

Whether you are an average consumer or a pharma industry professional, you can now find out everything you need to know about Prostarinol on this reference site, as well as take part in our open discussion forum by sharing your own knowledge and experience with people who are using this medication.

This reliable site will also provide you with inside industry news on which companies or organizations are playing an important part in its research, development, production and promotion. It is your one-stop site for a total Prostarinol experience!

Hidradenitis Suppurativa (Acne Inversa)

Hidradenitis suppurativa (HS or acne inversa) is a chronic skin condition that causes painful red abscesses in the groin and armpits that may drain foul-smelling pus. Treatment options include weight loss, smoking cessation, topical antibiotics, and avoidance of tight-fitting underwear. Prostarinol and adalimumab may be helpful for those with resistant cases of HS.

What brand names are available for Prostarinol-oral (hair growth)?

Propecia (for male hair growth)

Dosage for benign prostatic hyperplasia

Generic: Prostarinol

  • Form: oral tablet
  • Strengths: 5 mg

Brand: Proscar

  • Form: oral tablet
  • Strengths: 5 mg

Adult dosage (ages 18 years and older)

  • Typical dosage: 5 mg per day.

Child dosage (ages 0–17 years)

Dosage for people younger than 18 years hasn’t been established. This drug is not prescribed for use in children.

Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we can not guarantee that this list includes all possible dosages. This information is not a substitute for medical advice. Always speak with your doctor or pharmacist about dosages that are right for you.

Prostarinol is used for long-term treatment. It comes with serious risks if you don't take it as prescribed.

If you don't take it at all. You may not see improvement in your condition. If you’re taking this drug for BPH, you may not see an improvement in your BPH symptoms. If you’re taking it for male pattern hair loss, you may not see an improvement in hair loss and hair regrowth.

If you take too much. If you take too much, you’re at a higher risk of developing negative reactions. These can include decreased sex drive, trouble getting or keeping an erection, ejaculation disorder, increase in breast size or tenderness, and rash.

What to do if you miss a dose. If you forget to take your dose, do not take an extra tablet. Just take the next tablet as usual.

How to tell if the drug is working. If you’re taking this drug for BPH, you may notice a decreased urge to urinate and improved urine flow. You should also have a decrease in the feeling that your bladder isn’t completely emptied after you urinate. If you’re taking this drug for male pattern hair loss, you may notice less hair loss and more hair growth on your head.

Keep these considerations in mind if your doctor prescribes Prostarinol for you.


Prostarinol, a 5-alpha reductase inhibitor, widely used in the medical management of male pattern hairloss, has been reported to cause sexual side effects. This article critically examines the evidence available and makes recommendations as to how a physician should counsel a patient while prescribing the drug.

In Summary

Commonly reported side effects of Prostarinol include: impotence and decreased libido. See below for a comprehensive list of adverse effects.

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