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 hydrochloride (PhenerganÂ®) is a prescription medication used for a variety of different uses. It is most commonly used for treating nausea and vomiting, but is frequently used for other purposes too. As a sedating antihistamine, promethazine belongs to a group of drugs known as phenothiazines. It has several different effects in the body and the brain. Many of these effects are likely due to its antihistamine activity, since promethazine also works by blocking histamine receptors.