Hot Flashes from Drugs: Causes, Common Medications, and What to Do
When you get sudden, intense heat—sweating, flushing, heart racing—it’s easy to assume it’s menopause. But hot flashes from drugs, sudden body heat triggered by medications rather than hormonal shifts. Also known as drug-induced hot flashes, they can show up even if you’re not near menopause. These aren’t just uncomfortable—they can mess with sleep, mood, and daily life. And the worst part? Many people don’t realize their meds are the culprit.
Drugs that cause hot flashes aren’t rare. hormone therapy, treatments that alter estrogen or testosterone levels are the biggest offenders, especially if you’re stopping or switching them. But it’s not just hormones. antidepressants, medications used to treat depression and anxiety like SSRIs and SNRIs are commonly linked to hot flashes—even in men. Tamoxifen for breast cancer? Same thing. Even some blood pressure pills, opioids, and steroids can trigger them. It’s not about the drug being "bad." It’s about how your body reacts to the change in brain chemistry or hormone balance.
Why does this happen? Many of these drugs affect serotonin, norepinephrine, or estrogen pathways in the hypothalamus—the part of your brain that controls body temperature. When that system gets thrown off, your body thinks it’s overheating and tries to cool down fast. That’s the hot flash. And if you’re already dealing with menopause, a drug can make it way worse. You might think you’re getting worse symptoms, but it’s the pill, not your hormones.
Here’s what you can do: Track when the flashes start. Did they begin after a new prescription? Talk to your doctor—not to stop the med right away, but to figure out if it’s the cause. Sometimes switching to a different drug in the same class helps. Other times, low-dose gabapentin or clonidine (both used off-label) can reduce the frequency. Lifestyle fixes like avoiding caffeine, alcohol, and spicy food help too. And if you’re on hormone therapy, there are non-hormonal options now that don’t trigger hot flashes.
Don’t just live with it. Hot flashes from drugs are real, common, and treatable. You don’t need to suffer through night sweats because your doctor didn’t mention it as a side effect. The posts below break down exactly which medications cause this, how to spot the pattern, and what alternatives actually work—without guessing or Googling in the middle of the night.