5 testosterone side effects you must be aware of
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Oct 14, 2025 · 15 min read
Testosterone replacement can boost strength, mood, and sex drive, but it also shifts blood pressure, blood thickness, fertility, skin, and sleep. Here’s how to recognize testosterone side effects early and work with your doctor to keep therapy safe and effective. “Testosterone side effects are usually predictable, not mysterious. If you track blood pressure, blood thickness, ...