Detailed Promethazine dosage information for adults and children. Includes dosages for Allergic Rhinitis, Nausea/Vomiting, Allergic Reaction and more; plus renal, liver and dialysis adjustments.

Promethazine and codeine combination is used to relieve cough, runny or stuffy nose, sneezing, or other symptoms caused by allergies or the common cold. Promethazine is an antihistamine. It works by preventing the effects of a substance called histamine, which is produced by the body.

Promethazine is a medication used to manage and treat allergic conditions, nausea and vomiting, motion sickness, and sedation. It also has off-label uses for nausea and vomiting in pregnancy. Promethazine is a phenothiazine derivative with antidopaminergic, antihistamine, and anticholinergic properties. This activity reviews the FDA approved-indications, mechanism of action, administration.