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.

If you’re taking finasteride — or the brand name versions Propecia or Proscar — you’re probably checking your hairline for changes. But there might be something else you’re worried about changing: ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Ryan Knutson: Like a lot of men, my colleague Rolfe Winkler and I get bombarded ...

Compared to other treatments, patients’ testosterone levels return to baseline levels faster following treatment with Orgovyx. Among patients with prostate cancer, treatment with the oral ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

Xyosted (testosterone enanthate) is a prescription drug used to treat low testosterone in adults. Xyosted can cause side effects that range from mild to serious, including the risk of increased blood ...

Medically reviewed by Danielle Weiss, MD PCOS is the most common cause of high testosterone in women, affecting about 10% ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

Trans and gender-diverse people people who take testosterone face a risk of blood thickening, but the largest study to date in the U.S. suggests that this side effect is rare. When you purchase ...

Xyosted (testosterone enanthate) is a brand-name injectable drug that’s prescribed for testosterone deficiency in some adults. As with other drugs, Xyosted can cause side effects, such as headache, ...