Average dose of phenargan in children would be 0.5-2mg/kg/day PO or I'm divided every 6-8 hrs. Undesirable effects seen are sedation, nausea, vomiting, diarrhoea, urinary retention, and dryness of mouth. CNS depression and cholestatic jaundice may also be observed. Other side-effects include: Anorexia, gastric irritation, palpitation, hypotension, arrhythmia, extrapyramidal symptoms, muscle spasms and tic-like movements of head and face
