Chimps in an open-air forested enclosure have spotted veterinarian Raven Jackson carrying a caddy packed with their morning's juice treats and frozen bananas. A half-dozen dark-haired chimpanzees crowd the wire metal gate and wait for her to dispense the goodies.
Codeine is a narcotic. It is a pain reliever and a cough suppressant. Promethazine is an antihistamine. It blocks the effects of the naturally occurring chemical histamine in your body. The combination of codeine and promethazine is used to treat cold or allergy symptoms such as runny nose, sneezing, and cough.
Promethazine/ codeine syrup is used for: Treating cough and other upper respiratory symptoms caused by allergies or the common cold. It may also be used for other conditions as determined by your doctor. Promethazine/codeine syrup is a phenothiazine antihistamine and narcotic cough suppressant combination. The antihistamine works by blocking the action of histamine to reduce the symptoms of an allergic reaction, such as runny nose and sinus drainage. The cough suppressant works in the brain to decrease the cough reflex.