A report on Anesthesia and Anesthetic

Leaves of the coca plant (Erythroxylum novogranatense var. Novogranatense), from which cocaine, a naturally occurring local anesthetic, is derived.
Chemical structure of isoflurane, widely used for inhalational anesthesia.
The anesthetic area of an operating room
A vaporizer holds a liquid anesthetic and converts it to gas for inhalation (in this case sevoflurane)
Syringes prepared with medications that are expected to be used during an operation under general anesthesia maintained by sevoflurane gas: – Propofol, a hypnotic – Ephedrine, in case of hypotension – Fentanyl, for analgesia – Atracurium, for neuromuscular blockade – Glycopyrronium bromide (here under trade name "Robinul"), reducing secretions
An anesthetic machine with integrated systems for monitoring of several vital parameters.
A patient-controlled analgesia infusion pump, configured for epidural administration of fentanyl and bupivacainefor postoperative analgesia
Anesthesia-related deaths by ASA status
Hua Tuo
Sir Humphry Davy's Researches chemical and philosophical: chiefly concerning nitrous oxide (1800), pp. 556 and 557 (right), outlining potential anesthetic properties of nitrous oxide in relieving pain during surgery.
Contemporary re-enactment of Morton's 16 October 1846, ether operation; daguerrotype by Southworth & Hawes
Morton's ether inhaler

An anesthetic (American English) or anaesthetic (British English; see spelling differences) is a drug used to induce anesthesia ⁠— ⁠in other words, to result in a temporary loss of sensation or awareness.

- Anesthetic

A person under the effects of anesthetic drugs is referred to as being anesthetized.

- Anesthesia

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Opium poppies such as this one provide ingredients for the class of analgesics called opiates

Analgesic

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Analgesic, pain reliever, or painkiller, is any member of the group of drugs used to achieve relief from pain .

Analgesic, pain reliever, or painkiller, is any member of the group of drugs used to achieve relief from pain .

Opium poppies such as this one provide ingredients for the class of analgesics called opiates
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Analgesics are conceptually distinct from anesthetics, which temporarily reduce, and in some instances eliminate, sensation, although analgesia and anesthesia are neurophysiologically overlapping and thus various drugs have both analgesic and anesthetic effects.