Phenergan- Stop using this medication and call your doctor at once if you have twitching or
uncontrollable movements of your eyes, lips, tongue, face, arms, or legs. These could be early signs of
dangerous side effects.
You should not receive this medication if you are allergic to promethazine or to similar
medicines such as chlorpromazine (Thorazine), fluphenazine (Prolixin), mesoridazine (Serentil),
perphenazine (Trilafon), prochlorperazine (Compazine), thioridazine (Mellaril), or trifluperazine
(Stelazine).
Promethazine injection can cause side effects that may impair your thinking or reactions. Be
careful if you drive or do anything that requires you to be awake and alert.
Tell your doctor right away if you have serious side effects while receiving promethazine
injection, such as slow, shallow breathing, feeling light-headed, fainting, severe burning or skin irritation
where the injection was given, confusion, hallucinations, muscle twitching, or muscle movements you
cannot control.