Phenylephrine HCl-Promethazine HCl Prices and Savings - Inside Rx
Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose). Promethazine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing... View More Info
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