The following side effects have been reported in post-marketing use: hypersensitivity reactions (including anaphylaxis, angioedema, rash, pruritus, urticaria and very rarely, hepatic eosinophilic infiltration); dream abnormalities and hallucinations, drowsiness, irritability, restlessness and insomnia; nausea, vomiting, dyspepsia, diarrhea; myalgia including muscle cramps; increased bleeding tendency, bruising; and edema.