How Does Analgesics Relieve Pain?

Analgesics are medications that treat your pain by reducing inflammation or changing the way your brain understands pain. Many types of analgesics are available, and they range from pills and liquids, to gels and patches you apply to your body.

How does painkiller reduce pain?

How do painkillers work? NSAIDs work by blocking (inhibiting) the effect of chemicals (enzymes) called cyclo-oxygenase (COX) enzymes. COX enzymes help to make other chemicals called prostaglandins. Some prostaglandins are involved in the production of pain and inflammation at sites of injury or damage.

How does a narcotic relieve pain?

Narcotics work by attaching themselves to pain receptors in your brain. Pain receptors receive chemical signals sent to your brain and help create the sensation of pain. When narcotics attach to pain receptors, the drug can block the feeling of pain.