Gastrointestinal: Anorexia, nausea and vomiting, diarrhea, epigastric distress, sore throat, black hairy tongue, esophageal ulcers and inflammatory lesions in the anogenital region.
Dermatologic: Maculopapular and erythematous rashes, photosensitivity, blue-gray pigmentation of the skin and mucous membrane.
Hypersensitivity: Urticaria, angioneurotic edema, anaphylaxis, anaphylactoid purpura, pericarditis, exacerbation of systemic lupus erythematosus and serum sickness-like reactions, severe headache, impairment of vision and papilledema.
CNS: Lightheadedness, dizziness and vertigo.
Blood: Hemolytic anemia, thrombocytopenia, neutropenia and eosinophilia have been reported.
Bulging fontanelles in infants and benign intracranial hypertension in adults have been reported.