Question: are mouth ulcers a side effect of naproxen?
Answer: Check with your doctor right away if you have any of the following symptoms while taking this medicine: blistering, peeling, or loose skin, chills, cough, diarrhea, fever, itching, joint or muscle pain, red skin lesions, sore throat, sores, ulcers, or white spots in the mouth or on the lips, or unusual tiredness or ...