Phenergan (promethazine) may cause breathing to slow/stop. It may also cause death in children. Consult a paediatrician for the use of this medicine in children. This medicine should not be given to infants and children under 2 years of age. This medicine should be given to children only if the paediatrician says it is necessary to do so, under strict supervision and with caution.
Promethazine is a phenothiazine (a derivative antihistamine.)
