The Rise of Online Finasteride and Growing Concerns Over Side Effects
Finasteride, initially developed as a prostate medication in the 1990s, has become a widely used treatment for male pattern baldness. Its accessibility has dramatically increased in recent years thanks to the booming online subscription market, with telehealth brands like Hims, Manual, and Hair + Me offering convenient access after a simple online questionnaire. However, this ease of access is raising concerns about patient safety and informed consent, as reports of persistent side effects – collectively known as post-finasteride syndrome (PFS) – continue to emerge.
A Convenient Fix with Potential Costs
The appeal of finasteride lies in its effectiveness and convenience. The drug works by blocking the conversion of testosterone into dihydrotestosterone (DHT), a hormone linked to hair follicle miniaturization. However, beneath the marketing and influencer endorsements, a growing number of men are reporting enduring side effects, including sexual dysfunction, depression, and anxiety.
Regulatory Scrutiny and Expert Concerns
Regulators have begun to capture notice. In 2024, the UK’s Medicines and Healthcare products Regulatory Agency (MHRA) strengthened safety warnings and introduced a patient alert card following reports of sexual and psychiatric complications, some of which persisted even after discontinuing the drug. The British Association of Hair Restoration Surgery (BAHRS) expressed in April 2025 that finasteride should not be prescribed solely on the basis of an online form, emphasizing the need for proper diagnosis.
The Growing Reports of Post-Finasteride Syndrome (PFS)
Post-Finasteride Syndrome (PFS) is a condition characterized by a range of persistent adverse effects following discontinuation of finasteride. These can include sexual dysfunction, depression, anxiety, and, in some cases, more severe symptoms. The Post-Finasteride Syndrome Foundation, a US-based non-profit, has recorded nearly 27,000 adverse reactions to the drug worldwide and 126 known suicides as of early 2026.
Personal Stories of Adverse Effects
Steve, a 53-year-old from Doncaster, began taking finasteride at age 36 and initially experienced positive results. However, he soon developed depression and anxiety, and after stopping the medication, experienced a severe mental health crisis, including suicidal thoughts. He was eventually admitted to a psychiatric ward and continues to require antipsychotic medication. Mark Millich, a 26-year-old former US Army sergeant, reported a decreased sex drive and physical changes to his genitals after receiving finasteride from Hims.
Industry Growth and Cultural Pressures
The hair-loss treatment market, including finasteride and hair transplants, was valued at around £16.43 billion in 2024. Cultural pressures and media portrayals contribute to the demand for these treatments. Research suggests that Hollywood often casts balding actors in negative or less prominent roles, reinforcing societal stigmas around baldness.
Navigating the Risks and Making Informed Decisions
Clinicians emphasize the need for a nuanced approach. While many cases of side effects may be reported through online forums and support groups, potentially skewing the data, patient testimony should not be dismissed. Proper medical evaluation and specialist oversight are crucial to minimize risks.
For some, accepting baldness can be a healthier alternative. Tariq Kazemi, founder of a skincare brand celebrating baldness, notes that challenging the stigma surrounding baldness can alleviate anxiety and unnecessary medical interventions.
men considering finasteride must weigh the potential benefits against the risks and make informed decisions in consultation with a healthcare professional.
If you are taking finasteride and experiencing any adverse effects, consult a doctor.