Adverse drug reaction reports worldwide
PFS research studies published
Known suicides worldwide
Doctors & researchers speaking out
Nations warning of PFS
National media reports worldwide
Patient Services
The Post-Finasteride Syndrome Foundation Is Granted Nonprofit Status by the IRS as a Public Charity
SOMERSET, N.J., March 18, 2013 – The Post-Finasteride Syndrome Foundation today announced that it has been granted 501(c)(3) status by the Internal Revenue Service. “Nonprofit status will allow us to put more dollars to work pursuing our core goal, which is funding research on the characterization, underlying biologic mechanisms and treatments of PFS,” added Dr. […]
Post-Finasteride Syndrome Foundation Sponsors PFS Roundtable for Medical Researchers at International Meeting on Steroids and the Nervous System
SOMERSET, N.J., Nov. 5, 2012 – The Post-Finasteride Syndrome Foundation is sponsoring a round-table discussion on PFS at the University of Milan’s 7th International Meeting on Steroids and the Nervous System conference in Torino, Italy, Feb. 19, 2013. Titled “Effects of Finasteride Treatment on the Nervous System,” the event is being organized by Roberto Melcangi, […]
Foundation Launches Website to Fund Research into Post-Finasteride Syndrome
The Post-Finasteride Syndrome Foundation today launched its website, PFSFoundation.org. The Post-Finasteride Syndrome Foundation is dedicated to helping fund research on the characterization, underlying biologic mechanisms and treatments of the post-finasteride syndrome (PFS).
Doctors & Researchers Speaking Out
Men under the age of 40 who use finasteride for alopecia are at risk for suicide if they develop persistent sexual adverse effects and insomnia.

An important pattern of symptoms was common among all cases who committed suicide in the setting of finasteride use: insomnia and persistent sexual dysfunction after medication discontinuation. Insomnia and fatigue/tiredness were some of the most debilitating symptoms… Men under 40 years of age who use finasteride for alopecia are at risk of suicide if they develop persistent sexual adverse effects and insomnia.
—Finasteride and Suicide: A Postmarketing Case Series: Dermatology, January 14, 2020
Two subjects—eight percent—committed suicide during or after the study.

While the sexual side effects of 5ARIs are well known, there may be persistent genitourinary, physical, psycho-cognitive, anti-androgenic and penile vascular changes after 5ARI discontinuation. Use of 5ARIs for treatment of AGA may lead to persistent sexual, genitourinary, physical, psycho-cognitive, and anti-androgenic sequelae even after cessation of 5ARI therapy… Two subjects (8%) committed suicide during or after the study.
—Penile vascular abnormalities in young men with persistent side effects after finasteride use for the treatment of androgenic alopecia: Translational Andrology and Urology, April 2020
[PFS] is clearly a problem that is important to the general public.

Much of the medical community has yet to recognize [PFS] as a real clinical entity. Our… analysis indicates that, nonetheless, [PFS] is clearly a problem that is important to the general public that warrants intervention. Thus, it is inappropriate to dismiss this condition.
—Global online interest in finasteride sexual side effects, International Journal of Impotence Research: September 13, 2022
Seems that almost half of urologists instruct their patients to stop finasteride!

It’s Monday, which means it’s time for a poll! In evaluating fertility, how do you counsel men taking finasteride for hair loss?… Results are up! Seems that almost half of urologists instruct their patients to stop finasteride!
● Stop finasteride: 45.6%
● OK to keep taking: 17.5%
● It depends: 36.8%
—Society for the Study of Male Reproduction (via Twitter): October 11, 2022