--Tremor, palpitations, muscle cramps, headache, paradoxical bronchospasm, hypersensitivity reactions (including angioedema, urticaria, rash, pruritus), nervousness, dizziness, nausea, vomiting, dry mouth, throat irritation, gastrointestinal disturbances, restlessness, sleep disturbances, behavioural disturbances (including hyperactivity and irritability), tachycardia, peripheral vasodilation, heartburn, dyspepsia, increased appetite, hypokalemia