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    Medicines That Increase the Chance for a Heat-Related Illness

    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.

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