
Promethazine oral also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid. Promethazine oral may also be used for other purposes not listed in this medication guide.

SIDE EFFECTS: Constipation, drowsiness, vision changes or dry mouth may occur. If any of these effects persist or worsen, notify your doctor. Unlikely to occur but report promptly: restlessness, muscle stiffness, weakness, difficulty speaking, loss of balance, mask- like facial expression, trembling or shaking, dizziness, lip smacking or other uncontrollable movements, difficulty urinating, skin rash/discoloration. Very unlikely to occur but report promptly: persistent sore throat or fever, unusual bleeding or bruising, stomach pain, yellowing of eyes or skin, dark urine, hot dry skin, vomiting. This drug may infrequently cause a very serious (rarely fatal) nervous system disorder (neuroleptic malignant syndrome).

SIDE EFFECTS: Constipation, drowsiness, vision changes or dry mouth may occur. If any of these effects persist or worsen, notify your doctor. Unlikely to occur but report promptly: restlessness, muscle stiffness, weakness, difficulty speaking, loss of balance, mask- like facial expression, trembling or shaking, dizziness, lip smacking or other uncontrollable movements, difficulty urinating, skin rash/discoloration. Very unlikely to occur but report promptly: persistent sore throat or fever, unusual bleeding or bruising, stomach pain, yellowing of eyes or skin, dark urine, hot dry skin, vomiting. This drug may infrequently cause a very serious (rarely fatal) nervous system disorder (neuroleptic malignant syndrome).

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