Analgesic
An analgesic (colloquially known as painkiller) is any member of the diverse group of drugs used to relieve pain and to achieve analgesia (literally, "absence of pain"). Analgesic drugs act in various ways on the peripheral and central nervous system; they include paracetamol (acetaminophen), the nonsteroidal anti-inflammatory drugs (NSAIDs) such as the salicylates, narcotic drugs such as morphine, synthetic drugs with narcotic properties such as tramadol, and various others. Some other classes of drugs not normally considered analgesics are used to treat neuropathic pain syndromes; these include tricyclic antidepressants and anticonvulsants. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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Drug: A drug is any substance that can be used to modify a chemical process or processes in the body, for example to treat an illness, relieve a symptom, enhance a performance or ability, or to alter states of mind. The word "drug" is etymologically derived from the Dutch/Low German word "droog", which me... Pain: According to the International Association for the Study of Pain (IASP), one should distinguish between pain and nociception. Pain is a subjective experience that accompanies nociception, but can also arise without any stimuli. It includes the emotional response. Nociception is a neurophysiologic te... Peripheral: :For an account of the words periphery and peripheral as they are used in biology, sociology, politics, computer hardware, and other fields, see the periphery disambiguation page.... | ~ Table of Content ~
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