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UW Health SMPH
American Family Children's Hospital
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Medicines That Increase the Chance for a Heat-Related Illness

Many medicines change your body's ability to stay cool.

  • Some antidepressants
  • Antihistamines
  • Some blood pressure medicines
  • Some sedative medicines
  • Thyroid medicine

Alcohol and illegal drugs, such as methamphetamines, amphetamines, cocaine, heroin, PCP (phencyclidine hydrochloride), and LSD (lysergic acid diethylamide), also affect your ability to sense dehydration or heat-related symptoms. These substances also reduce your judgment about whether treatment is needed for a heat-related illness.

By Healthwise Staff
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
H. Michael O'Connor, MD - Emergency Medicine
Last Revised August 30, 2013

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