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