After the procedure. When the surgery is complete, the anesthesia medications are stopped, and you slowly wake either in the operating room or the recovery room. You'll probably feel groggy and a little confused when you first wake. You may experience common side effects such as: Nausea.
http://www.mayoclinic.org/tests-procedures/anesthesia/details/what-you-can-expect/rec-20163594
In brief: It depends. The duration of action of a local anesthetic is related to the choice of the specific medication and its uptake and metabolism. Some local anesthetics last longer than others. The location of the administration and whether or not a vasoconstrictor was added to slow uptake also have impact.
https://www.healthtap.com/user_questions/249911-how-long-does-local-anesthesia-last
You may also experience other side effects after you awaken from anesthesia, such as pain. Side effects depend on your individual condition and the type of surgery. Your doctor may give you medications after your procedure to reduce pain and nausea.
http://www.mayoclinic.org/tests-procedures/anesthesia/details/what-you-can-expect/rec-20163594
Other serious risks of general anesthesia include changes in blood pressure or heart rate or rhythm, heart attack, or stroke. Death or serious illness or injury due solely to anesthesia is rare and is usually also related to complications from the surgery.
http://www.emedicinehealth.com/general_anesthesia-health/article_em.htm
Topically applied preparations such as gel based Novocaine, 30 minutes to 45 min. Subcutaneous oral injection to deaden nerve response 30 min to 3 hours. Anesthesia to render… unconsciousness depends on how long the surgery will take , and the approx body weight of the patient. There are other factor's a gas pastor will make in determining efficacy & safety.
http://www.answers.com/Q/How_long_do_the_effects_of_anesthesia_last
Q and A. April 01, 2005|By Judy Foreman | Judy Foreman,SPECIAL TO THE SUN. How long do the fatigue and brain fog last after general anesthesia for surgery? It depends - on your age, the specific drugs used, how long the surgery took and how healthy you were to start with. These days, most general anesthesia is short-acting, which means you wake up quickly and the drugs are mostly out of your system within a few hours, said Dr. Carl Rosow, an anesthesiologist at Massachusetts General Hospital.
http://articles.baltimoresun.com/2005-04-01/news/0504010141_1_general-anesthesia-fever-cognitive-dysfunction
How long does it take for general anesthesia to wear off? Having surgery on my back in 3 days and want to know how long it takes before general anesthesia wears off. I have a kid and need to be with him later in the day, surgery is in the morning. How much time will the anesthesia last? Having surgery with general anesthesia can be a very intimidating experience.
https://www.zocdoc.com/answers/9251/how-long-does-it-take-for-general-anesthesia-to-wear-off
Methamphetamines or Meth effects can last as long as 3 days or as little as 6 hours depending mostly on how much but also how its done. Smoking meth out of a dope pipe usually… gives you a more intense shorter high where as snorting it or eating it gives u a steady long high.
http://www.answers.com/Q/How_long_do_the_effects_of_anesthesia_last
How long do the effects of general anesthesia last? General anesthesia is usually a combination of inhaled anesthesia gases and intravenous medications. If you have no medical problems, modern anesthesia gases leave the body within 24 hours. Intravenous medications are filtered through the kidneys and/or liver and may take 24 to 48 hours. Within 72 hours all side effects associated with general anesthesia should be gone.
http://sierraanesthesia.com/faq/how-long-do-the-effects-of-general-anesthesia-last/
Quick Answer. According to Medical News Today, the numbing effects of local anesthesia last between 30 minutes to four hours. Doctors often determine how long it lasts depending on the amount and strength of the anesthetic used. Continue Reading.
https://www.reference.com/health/long-local-anesthesia-last-56a642cfdce373d2
how long do the effects of anesthesia last
Modern anesthesia gases leave the body within 24 hours. Modern anesthesia gases leave the body within 24 hours. Intravenous medications are filtered through the kidneys and/or liver and may take 24 to 48 hours.