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What causes night sweats?

Jill A. Grimes, MD
Family Medicine

Night sweats are very common in women, particularly in women over 40. You do not have to be in menopause to start having these sweats, either.
Very often women begin to find that alcohol or caffeine use may trigger episodes of night sweats. Additionally, there are multiple medications that can cause day or nighttime sweats, especially antidepressants. A variety of medical issues such as low blood sugar, infection, and thyroid disease can also trigger these laundry-producing events.


For the occasional night sweat, don't sweat it. But for new onset, frequent, or drenching night sweats, get in to see your family doctor and figure out what's going on.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.