Learn about Relafen (Nabumetone) may treat, uses, dosage, side effects, drug oval-shaped, film-coated tablet contains 500 mg or 750 mg of nabumetone. . of peptic ulcers was 0.3% (95% CI; 0%, 0.6%) at 3 to 6 months, 0.5% (95% CI; canadian-pharmacyes.com cialis online bestellen ohne rezept