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Summer Danger: Drugs That Can't Beat the Heat
17 Jun
Summary
- Certain prescription drugs impair the body's cooling mechanisms.
- Antidepressants, antipsychotics, and beta-blockers pose heat risks.
- Older adults and those with chronic conditions are most vulnerable.

As temperatures climb, certain prescription medications can significantly increase the risk of heat-related illnesses by disrupting the body's natural cooling processes. Drugs like SSRIs and TCAs, commonly used antidepressants, can affect sweating and temperature regulation. Antipsychotics may impair the brain's ability to sense heat, while beta-blockers can limit heat release through the skin.
Diuretics and certain blood pressure medications, such as ramipril and losartan, can lead to dehydration and electrolyte imbalances, further compromising the body's ability to cope with heat. Stimulants, often prescribed for ADHD, can also raise body temperature and alter sweating patterns. Insulin's effectiveness can be reduced or it can degrade in heat, risking hypoglycemia.
Individuals taking these medications, especially older adults and those with chronic health conditions, must take extra precautions. It is vital to store medications properly, avoid extreme heat, and maintain hydration unless advised otherwise by a healthcare professional. Do not discontinue medication without consulting a doctor, as they can advise on managing heat sensitivity.