Somnolence, headache, dizziness, diplopia, vomiting, nausea, fatigue. Increased wt, asymptomatic hyponatraemia, agitation, affect lability, confusional state, depression, apathy, ataxia, tremor, nystagmus, amnesia, attention & visual disturbance, blurred vision, vertigo, diarrhoea, abdominal pain, constipation, rash, alopecia, acne, asthenia.
Childn 1 mth-4 yr: Ataxia, irritability, vomiting, lethargy, fatigue, nystagmus, tremor, decreased appetite, increased blood uric acid.