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.

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 ...

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 ...

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: ...

The problem with PEDs use today is much more widespread and closer to home than many people believe, Pope warns. Both mass ...

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

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...

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, ...