 Outside the United Kingdom, tenoxicam is also marketed under brand names including Tilatil, Tilcitin, and Alganex.The drug is contraindicated for patients who are seniors who have been given anesthesia or surgery; are at risk of increased bleeding or kidney failure; have an active inflammatory disease involving the stomach or intestine (like ulcerative colitis); have an active stomach or intestinal ulcer; have had an acute asthmatic attack, hives, rhinitis (inflammation of the inner lining of the nasal passage), or other allergic reactions caused by Aspirin or other nonsteroidal anti-inflammatory drugs (for example diclofenac, ibuprofen, indomethacin, naproxen).Common side effects that have been observed with tenoxicam include peptic ulceration, dyspepsia, nausea, constipation, abdominal pain, diarrhea, rash, headache, edema, renal failure, and vertigo.