Use alcohol cautiously. Do not take more of this medication than is recommended. If your symptoms do not improve, or if they worsen, talk to your doctor. Chlorpheniramine and pyrilamine are antihistamines. They block the effects of the naturally occurring chemical histamine in your body.
Phenylephrine is a decongestant.
A very dangerous drug interaction could occur, leading to serious side effects. B. This means that it is unlikely to harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant. This medication passes into breast milk and may harm a nursing baby. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.