Painkillers are effective

Painkillers are medications designedspecifically to ease pain . Usually painkillers are createdand sold by pharmaceutical companies. While some painkillers havespecific healthcare purposes, like certain migraine formulations, most painkillers are generalpurpose.
There are several ways that painkillers are categorized. One method is to divide them into over the counter (OTC) painkillers—those that can be purchased by the consumer without a prescription—and those that require a prescription for a legal purchase.
A second way to categorize painkillers is by their chemical type. Painkillers include opiates —also called narcotics: conventional or non-selective, semi-selective, and selective nonsteroidalanti-inflammatory drugs ( NSAIDs ); painkillers that do notfit in any of those categories; and combination painkillers. Two things to be aware of: the Food and DrugAdministration does not report on semi-selective NSAIDs,and selectiveNSAIDs are also called COX-2 inhibitors.