Celebrex (generic: celecoxib) is a prescription medication used to treat pain, arthritis, and painful menstrual periods. Celebrex belongs to a group of medications called nonsteroidal anti-inflammatory drugs (NSAIDs). These work by blocking chemicals in the body that cause pain and inflammation.

Celebrex comes in capsule form and is taken by mouth, once or twice a day with or without food.

Common side effects are stomach pain, upset stomach, and diarrhea.