<p>It is generally very well tolerated by children and adults, with most adverse effects are of mild to moderate severity and duration. Hypersensitivity, headache, dizziness, sleep disorder, somnolence, involuntary muscle contractions, paraesthesia, hypoesthesia, abnormal gait, ataxia, palpitation, cough, abdominal pain, anorexia, diarrhoea, vomiting, nausea, pruritus, rash, arthralgia, myalgia, asthenia, fatigue.</p>