Be aware, the heat can affect your reactions to medications

Not drinking enough fluids could impair kidney function, and possibly affect the concentration of a medication’s active ingredient in your body. — dpa

During prolonged heat waves, it may be necessary to adjust the dosage of your medications, experts say.

This is because high temperatures can not only alter their effects – which is why it is recommended that medicines be kept in a cool, dark and dry place – but also your body’s reaction to them, points out the consumer advice centre in the German state of North Rhine-Westphalia.