Common side effects are Abdominal or stomach pain, black, tarry stools, bloating or swelling of the face, arms, hands, lower legs, or feet, chills, cough, dark urine, diarrhea, dizziness, fever, headache, itching or rash, light-colored stools, loss of appetite, lower back or side pain, nausea, numbness, tingling, or pain in the hands or feet, painful or difficult urination, pale skin, rapid weight gain, rash with flat lesions or small raised lesions on the skin, redness or discoloration of the skin, sore , throat, tingling of the hands or feet, ulcers, sores, or white spots in the mouth, unpleasant breath odor, unusual bleeding or bruising, unusual tiredness or weakness, unusual weight gain or loss, vomiting of blood, yellow eyes or skin.