The heat can take a toll on medications. It can make them weak and change the way the body reacts to them.
Doctors say one of the worst places to leave your medication is in a closed car. The heat can cause drugs to lose their potency. Some pills may change color, crumble or melt.
Some people may have problems if they receive their medications by mail. Doctors suggest customers receive their orders overnight or make sure someone is home to accept the package so that they medication doesn't roast on the front porch.
Some medications are particularly susceptible to heat, such as medications which include nitroglycerin, which can be used to treat heart ailments, and insulin, which is used for those who have diabetes.
Both are carried constantly by patients.