Promethazine is a first-generation antihistamine with additional sedative and antiemetic properties. Chemically classified as a phenothiazine, it blocks histamine receptors, alleviating symptoms of allergic reactions such as itching, sneezing, and runny nose. Additionally, its sedative effects make it valuable in treating insomnia. Promethazine is often employed as an antiemetic, helping manage nausea and vomiting associated with surgery, chemotherapy, or motion sickness. Its diverse pharmacological actions contribute to its versatility in addressing various medical conditions. Buy high quality Promethazine from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Promethazine