Medications affect people differently due to genetics, age, and other factors. Learn why some people have severe side effects while others don’t-and what you can do about it.
Time-to-Onset Patterns by Drug Class: When Common Medication Side Effects Start
22 December, 2025
Learn when common medication side effects typically start based on drug class-from hours to months after taking them. Know what’s normal, what’s delayed, and when to act.