It is used to treat many conditions, such as headache, muscle aches, arthritis, backache, toothaches, colds, and fevers. Diphenhydramine is an antihistamine. It blocks the naturally occurring chemical histamine in the body. Phenylpropanolamine is a decongestant. Do not take this medication without first talking to your doctor if you drink more than three alcoholic beverages per day.
Alcohol can cause stomach bleeding when it is combined with any medicine that contains aspirin.
A very dangerous drug interaction could occur, leading to serious side effects. Do not take this medication without first talking to your doctor if you are pregnant. This medication passes into breast milk and can harm a nursing baby. Do not take this medication without first talking to your doctor if you are breast-feeding a baby. You may require a lower dose of this medication.