Hot flush in males: Why it happens and how to stop the heat
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 01, 2025 · 13 min read
Most male hot flushes are triggered by a drop in testosterone that narrows the hypothalamus’ thermoneutral “comfort zone,” causing sudden heat-dumping responses like flushing and sweating (rates reach 70%–80% on androgen-deprivation therapy). Here’s how to tell whether low testosterone, medications, or another hormone problem is driving yours—and which treatments actually work. “When a man tells ...