Opioid analgesics are a class of drugs commonly used to relieve moderate to severe pain. They exert their effects by binding to opioid receptors in the central nervous system (CNS) and the gastrointestinal (GI) tract. Opioid antagonists, on the other hand, block the effects of opioid agonists by binding to …
DeepakRajput 
Opioid analgesics- Classifications, Mechanisms
Opioid analgesics, commonly known as opioids, are a class of potent pain-relieving medications derived from or chemically similar to compounds found in the opium poppy plant. These drugs exert their effects by binding to specific receptors, known as opioid receptors, in the central nervous system (CNS) and peripheral tissues. Opioid …
