Topical testosterone most commonly causes skin problems like itching or rash. In those with female anatomy, specifically, it can cause unwanted hair growth, acne, or birth defects in pregnant people.

A case that first appeared in a medical journal several years ago has recently resurfaced in the media, highlighting an unexpected risk of hormone therapies: a baby girl in Sweden developed unusually ...

Compared with placebo, men who were on a testosterone gel actually had a significantly higher risk for fracture (HR 1.43, 95% CI 1.04-1.97), found Peter Snyder, MD, of the University of Pennsylvania ...

A new testosterone nasal gel raises men's low testosterone levels to normal, with few side effects, according to the results of a phase 3 clinical trial to be presented Saturday at the Endocrine ...