finasteride

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Charles Patrick Davis, MD, PhD
    Charles Patrick Davis, MD, PhD

    Charles Patrick Davis, MD, PhD

    Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.

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

Propecia (for male hair growth)

Is finasteride-oral (hair growth) available as a generic drug?

GENERIC AVAILABLE: Yes

Do I need a prescription for finasteride-oral (hair growth)?

Yes

What are the uses for finasteride-oral (hair growth)?

: Finasteride (Propecia) is used for the treatment of male pattern baldness or androgenetic alopecia in males only.

What are the side effects of finasteride-oral (hair growth)?

The most common side effects associated with finasteride are:

Serious side effects include increased risk of high-grade prostate cancer, and increased risk for male breast cancer.

Propecia (1 mg finasteride) was approved by the FDA for the treatment of male pattern baldness in December 1997. Another finasteride oral dosage form, Proscar or 5 mg finasteride tablets are FDA approved only for the treatment of benign prostatic hyperplasia (BPH) and should not be used for androgenetic alopecia. Do not confuse these finasteride tablets.

Quick GuideHair Loss: Causes, Treatments, and Prevention

Hair Loss: Causes, Treatments, and Prevention

What is the dosage for finasteride-oral (hair growth)?

The recommended dose is one 1 mg tablet (Propecia) once daily. Generally, patients should use 1 mg of finasteride daily for three months or more before any benefits of treatment are observed. If hair loss improvement is not noticed after 12 months, additional finasteride treatments will likely not help.

Which drugs or supplements interact with finasteride-oral (hair growth)?

Carbamazepine, rifampin, and St. John's wort may reduce blood levels of finasteride by increasing its breakdown in the liver. Itraconazole, erythromycin and similar drugs increase blood levels of finasteride. 

Is finasteride-oral (hair growth) safe to take if I'm pregnant or breastfeeding?

Finasteride should not be used or handled by pregnant females. Finasteride prevents the conversion of testosterone to DHT, a hormone which is necessary for the development of male genitalia. Finasteride should not be used or handled by pregnant mothers due to the potential hazard to the male fetus.

Finasteride should not be used by women. It is not known if finasteride is excreted in human milk.

What else should I know about finasteride-oral (hair growth)?

What preparations of finasteride-oral (hair growth) are available?

Tablets: 1 mg (Caution; do not confuse these tablets with the 5 mg finasteride tablets (Proscar)

How should I keep finasteride-oral (hair growth) stored?

Tablets should be stored at room temperature, 15 C-30 C (59 F-86 F).

REFERENCE: FDA Prescribing Information

Last Editorial Review: 9/15/2016

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Reviewed on 9/15/2016
References
REFERENCE: FDA Prescribing Information

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