Hypersensitivity reactions (including anaphylaxis, angioedema, rash, pruritus, urticaria & very rarely, hepatic eosinophilic infiltration); dream abnormalities & hallucinations, drowsiness, irritability, restlessness & insomnia; nausea, vomiting, dyspepsia, diarrhea; myalgia including muscle cramps; increased bleeding tendency, bruising; & edema.