Dizziness, drowsiness, malaise, lightheadedness, nervousness, headache, fatigue, mood swings, paresthesia, hallucinations & dream abnormalities; stomach ulceration &/or bleeding, indigestion, heartburn, nausea, vomiting, anorexia, diarrhea, constipation, mouth ulcers, flatulence, bloating & abdominal pain; blood in the urine, kidney damage/failure; abnormal LFTs, jaundice, inflammation of the liver, liver failure; blood does not clot properly, anemia & low WBC count; fluid retention, increased BP, low BP, CVA, palpitations; tinnitus, decreased hearing, amblyopia, conjunctivitis, optic neuritis, diplopia & cataracts; rashes, symptoms of serious allergies (eg, SJS, Lyell's syndrome, erythema multiforme) which includes multiple skin lesions, itch, fever, joint pains; allergic reaction.