What are the possible side effects of Asa/Caffeine/Propoxyphene?
If you experience any of the following serious side effects, stop taking aspirin/caffeine/propoxyphene and seek emergency medical attention or contact your doctor immediately: an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives) slow, weak breathing seizures cold, clammy skin severe weakness or dizziness unconsciousness; or black, bloody, or tarry stools or blood in your urine or vomit Other, less serious side effects may be more likely to occur. Continue to take aspirin/caffeine/propoxyphene and talk to your doctor if you experience constipation dry mouth, nausea, vomiting, or decreased appetite dizziness, tiredness, or lightheadedness muscle twitches sweating itching decreased urination decreased sex drive; or ringing in the ears Propoxyphene may be habit forming. Physical and/or psychological dependence can occur, and withdrawal effects are possible if the medication is stopped suddenly after prolonged or high-dose treat
