AB089: What Should We Know About the Role of Finasteride in Erectile Dysfunction?

Finasteride and dutasteride can affect sexual function, cognition, and mood. Alternatives like minoxidil, pyrilutamide, and alfatradiol have varied effectiveness and side effects.

Finasteride is effective for hair loss but can cause sexual dysfunction and mental health issues in some users, leading to a polarized debate on its risks. Some switch to alternatives like Dutasteride or topical treatments to avoid side effects.

Finasteride is not linked to a 60% risk of persistent sexual dysfunction; this figure applies only to those already experiencing sexual issues. Most users do not have side effects, and the study's methodology is criticized for selection bias.

Finasteride can cause side effects like erectile dysfunction and decreased libido, possibly due to increased estradiol from testosterone aromatization, especially in those with higher body fat. Side effects vary widely and may also be influenced by genetic factors or neurosteroid inhibition.

A 19-year-old with diffuse hair thinning and erectile dysfunction is considering starting Propecia (finasteride) while already using a minoxidil solution with anti-androgens. Concerns are raised about the psychological nature of erectile dysfunction and the potential systemic effects of anti-androgens, with suggestions to address porn addiction and consult a doctor about hormone therapy.

Finasteride is effective for treating male pattern baldness (MPB) with minimal side effects, and topical finasteride is similarly effective. Dutasteride is also effective but less understood, and Minoxidil is less effective than Finasteride.