
Anesthesia - Wikipedia
Anesthesia (American English) or anaesthesia (British English) is a state of controlled, temporary loss of sensation or awareness that is induced for medical or veterinary purposes.
Anesthesia: What It Is, Side Effects, Risks & Types
Different types of anesthesia work in different ways. Some anesthetic medications numb certain parts of your body. Other anesthetics numb your brain so you can sleep through more invasive surgical …
Anesthesia - MedlinePlus
Sep 30, 2025 · Medicine may be given by injection, inhalation, topical lotion, spray, eye drops, or a skin patch. Anesthesia can cause a loss of feeling, awareness, or both. Sedation may be used with …
Anesthesia - National Institute of General Medical Sciences
May 20, 2025 · Anesthesia is a medical intervention that prevents patients from feeling pain during procedures like surgery, certain screening and diagnostic tests, tissue sample removal (e.g., skin …
4 Types of Anesthesia and How They're Used - Verywell Health
Sep 5, 2025 · Local anesthesia numbs a small part of the body and keeps you awake and alert during procedures. Regional anesthesia numbs a large part of the body and is often used for childbirth. …
General anesthesia - Mayo Clinic
Jan 17, 2025 · General anesthesia usually uses a combination of medicines given through a vein and inhaled gases. You'll feel as though you're asleep. But general anesthesia does more than put you to …
Anesthesia | General, Local & Regional | Britannica
Dec 12, 2025 · Anesthetics are strong systemic poisons that can cause permanent injury or death if dosage is not carefully controlled, so cardiac and respiratory functions must be closely monitored …
Anesthesia - Johns Hopkins Medicine
General anesthesia is medicine that is used to put you in a state like deep sleep during surgery. The medicine may be inhaled through a breathing mask or tube. Or it may be given through an IV …
Know your anesthesia risk factors — special considerations for the ...
General anesthesia is used for major operations, such as a knee replacement or open-heart surgery, and causes you to lose consciousness. Sedation is often used for minimally invasive procedures like …
Overview of anesthesia - UpToDate
Jun 17, 2025 · Anesthesia allows surgical and other interventional procedures to be performed without pain by rapidly and safely producing analgesia, absence of anxiety (or absence of awareness with …