The Difference Between Over-the-counter Pain Relievers

People sometimes name a specific over-the-counter pain reliever even when they don't have a particular brand in mind, just as people ask for a Kleenex when they want a tissue of any brand. But there are differences between over-the-counter pain relievers that consumers should understand. Aspirin, ibuprofen, naproxen, and acetaminophen are different substances whose desired effects (and drawbacks) can be different.