Promethazine DM is a combination medicine used to treat cough, stuffy nose, runny nose, and sneezing caused by colds or allergies. Promethazine DM is for use in adults and children at least 2 years old. Promethazine DM may also be used for purposes not listed in this medication guide. Promethazine is a medicine used to help with allergy symptoms, reduce or prevent nausea and vomiting, or provide sedative or pain-relieving effects after surgery. It blocks histamine receptors. Promethean Action is a political movement dedicated to defying oligarchy & unleashing the fire of human creativity! The vehicle features tuning by Valor Motorworx and a custom ProMeth direct port system, which provides necessary extra fueling and lower air charge temperatures. Promethazine DM is a combination medication that contains promethazine and dextromethorphan. It temporarily relieves symptoms of allergies and the common cold and is only approved for adults and children age 2 years and older. Promethazine is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes. It also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid. Promethazine, sold under the brand name Phenergan among others, is a first-generation antihistamine, sedative, and antiemetic used to treat allergies, nausea, and vomiting. Need help setting up your water methanol injection system? ProMeth has over 15 years experiance customizing water methanol injection systems for customers. Subscribe to receive new product updates, special offers, and the latest water methanol injection tuning tips and technical articles. View promethazine hydrochloride information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, contra-indications and important safety information.