Over-the-counter medications can be helpful for common symptoms like pain, fever, allergies, heartburn, cough, constipation, diarrhea, and cold symptoms. But “over-the-counter” does not always mean risk-free. OTC medicines can still cause side effects, interact with prescription medications, or be unsafe for certain medical conditions. What are over-the-counter medications? Over-the-counter medications are medicines you can buy without a prescription. The FDA explains that OT