), it produces a chemical called histamine
People who take promethazine, which also sells under the brand names Phenergan and Promacot, can mix it with other prescription and over-the-counter drugs that treat coughs and colds
P
About promethazine Promethazine is an antihistamine medicine that relieves the symptoms of allergies
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Generic name: codeine and promethazine [ KOE-deen-and-proe-METH-a-zeen ] Brand names: Promethazine with Codeine, Codeine Phosphate-Promethazine