For some products, it is the only ingredient, the FDA said in a news release issued Thursday. Others contain oral phenylephrine and acetaminophen, dextromethorphan or another active ingredient.
It works by lowering the activity of the immune system. Tylenol (acetaminophen) is a pain reliever commonly used to manage mild to moderate pain from headaches, muscle aches, menstrual periods ...
Acetaminophen 325mg, diphenhydramine HCl 12.5mg, phenylephrine HCl 5mg; per caplet. See Contraindications. Increased risk of liver damage with ≥3 alcoholic drinks/day. Hypertensive crisis with ...