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How Do Painkillers Know Where To Go?

By on October 1, 2015
Expression - Agony dreamstimefree_175537 Expressions - Agony ID: 175537 © Lisa F. Young | Dreamstime Stock Photos

Do the painkillers ask your body, “Where do you hurt today?”


This is what they do.

The scary thing is that Scientists do not know what all pain killers do. Read on to see.

by  (  We talked to pain expert Ted Price, Ph.D., a professor in behavioral and brain sciences at the University of Texas at Dallas and an expert in the neurology of pain, to get to the bottom of this question.

How Do Painkillers Know Where The Pain Is?

NSAIDs are the most common painkillers worldwide and include other drugs like aspirin and naproxen (Aleve). There are, of course, other types of pain meds out there. Tylenol (acetaminophen in the U.S., paracetamol in other parts of the world) is also an over-the-counter painkiller.

Another group of meds are the narcotic painkillers (oxycontin, etc.) that work in an entirely different way and carry more risk of addiction and overdose. For the purpose of this post, though, we will be focusing on NSAIDs, which all work in the same general way.


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