2026-07-15 from globalnews.ca
Environment Canada is asking Canadians across the country to watch for signs of heat exhaustion during its extreme heat warning, but some experts say consuming alcohol or certain kinds of medication can change how your body reacts to hot weather.
Medications and heat can interact, leading to potentially severe side effects, the U.S. Center for Disease Control (CDC) warns on its website.
The warning extends to both prescription and over-the-counter drugs, the agency says.
Some medications, like beta blockers, can reduce blood flow to the skin and inhibit sweating, the Canadian Pharmacists Association warns.
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