Fatigue, dry mouth. Tab: Pharyngitis, myalgia, somnolence, dysmenorrhea. Syr: Tachycardia, palpitations, psychomotor hyperactivity, seizures; abdominal pain, nausea, vomiting, dyspepsia; hepatitis, elevations of liver enzymes, increased bilirubin; hypersensitivity reactions eg, anaphylaxis, angioedema, pruritus, rash, urticaria; diarrhoea, headache.