Consult your doctor if your symptoms do not improve. Acetaminophen is a pain reliever and a fever reducer. It is used to treat many conditions, including headache, muscle aches, arthritis, backache, toothaches, colds, and fevers. Diphenhydramine is an antihistamine. It blocks the effects of the naturally occurring chemical histamine in the body.
Pseudoephedrine is a decongestant.
Do not take this medication without first talking to your doctor if you drink more than three alcoholic beverages per day or if you have had alcoholic liver disease. You may not be able to take acetaminophen. A very serious drug interaction could occur, leading to serious side effects. Do not take this medication without first talking to your doctor if you are pregnant. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.