Diarrhea, fever, insomnia, fatigue, dry mouth, headache, heart disorders (tachycardia, palpitation, psychomotor hyperactivity, seizure), GI disturbances (abdominal pain, nausea, vomiting, dyspepsia), liver & gall bladder disorders (hepatitis, increased liver enzyme & bilirubin), hypersensitivity reactions (anaphylaxis, angioedema, pruritus, skin redness, urticaria).