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Doctor insights on: What Is Local Anesthesia

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Hi doctors, can you tell me what is local anesthesia and general anesthesia?

Hi doctors, can you tell me what is local anesthesia and general anesthesia?

General = brain: Local anesthesia involves injecting numbing medication such as Lidocaine into the area to be numbed. The medication baths the nerves and blocks their ability to sense pain. An example is numbing the skin to suture a cut. General anesthesia uses medications that temporarily affects the brain putting you "to sleep" so you don't feel pain or have awareness. (it isn't really sleep). ...Read more

Dr. Karen Sibert
2,203 doctors shared insights

Anesthesia (Definition)

Anesthesia is a field of study that involves methods of removing sensation, pain, and consciousness from a person in order to perform surgeries, do other uncomfortable procedures, or relieve his pain/suffering. A doctor specializing in ...Read more


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I don't want general or spinal anesthesia for an ureteroscopy that is going to be upcoming what types of local anesthesia's are availible?

I don't want general or spinal anesthesia for an ureteroscopy that is going to be upcoming what types of local anesthesia's are availible?

It is possible: To try a very deep sedation, but it will be easier to put you to sleep for a light general or give you a spinal. Discuss your concerns with the anesthesiologist that day to come up with the best plan for you. ...Read more

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I'm allergic to lidocaine & epinephrine used for dental & dermatology procedures & need to know what local anesthesia is ok for sensitive persons. ?

I'm allergic to lidocaine & epinephrine used for dental & dermatology procedures & need to know what local anesthesia is ok for sensitive persons.
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It is rare to be: Allergic to lidocaine, usually it is the epinephrine that causes the reaction. But for small dermatology procedures you can actually request saline injections, where the tension fluid that allows numbing. ...Read more

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What is used for local anesthesia?

Local anesthetics: There are many LAs (local anesthetics) that are used. Lidocaine, Tetracaine, Bupivacaine are just a few. ...Read more

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Please advise what is the difference between local anesthesia & topical anesthesia?

Local vs. topical: Local is administered sub-cutaneous and cutaneous. Topical is not andminister under the tissue and typically, is not approved as an injectable. ...Read more

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I will have a root canal at 7.45am. What are the risks of local anesthesia. Precautions? How should I prepare? Back molar, second from rear.

I will have a root canal at 7.45am. What are the risks of local anesthesia. Precautions? How should I prepare? Back molar, second from rear.

Not really: Local anesthetics are very safe nowadays. Especially in that area, There is not much risk of getting prolonged numbness or hitting an artery. Let your doctor Know if you have high blood pressure or heart problems or suffer from any allergies? ...Read more

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How long does local anesthesia last?

How long does local anesthesia last?

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 a vasoconstrictor was added to slow uptake also have impact. A discussion with your doctor about expectations is appropriate. ...Read more

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How is local anesthesia administered?

How is local anesthesia administered?

Many many ways: Local can be given by nasal spray, skin cream, needle injection. Eyedrops, gargling, nerve block can numb all parts of the body including muscle, bone, tongue. ...Read more

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General or local anesthesia. Which is better?

General or local anesthesia. Which is better?

For what procedure?: In general, less is better. So, if it can be done with local comfortably, that's good.
In some cases local is not sufficient, and suffering to avoid general anesthesia is not better. ...Read more

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What are the techniqes of oral local anesthesia?

What are the techniqes of oral local anesthesia?

Block & Infiltration: There are essentially 2-types of local anesthesia delivery. 1. Block- this is where a larger area is anesthetized using a single injection location. This is used many times in the lower jaw. 2. Infiltration- this is where only certain teeth are anesthetized, usually 1-3, and occurs more often in the upper jaw. There is also topical anesthesia, which is primarily used in hygiene for cleanings. ...Read more

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How much does the local anesthesia injection hurt?

Usually not much: If an appropriately sized needle is used, local anesthesia injection is associated with minimal discomfort. I tell my patients that it's like a quick bee sting. Hope this helps. ...Read more

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Crown cuttin can be done by giving local anesthesia?

YES: The "crown cuttin" the preparation of the tooth for the crown is done under local analgesia. ...Read more

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Why doesn't local anesthesia spread to the whole body?

Why doesn't local anesthesia spread to the whole body?

"Local" is why: "Local" anesthesia does just that-a small dose of a numbing agent is injected near a nerve, that, when in a certain concentration, blocks impulses through that nerve. The result is numbness and weakness in the distribution of that nerve. This resolves as the local anesthetic is 'washed out" by blood and the localized concentration now will decrease-allowing the nerve to work again. ...Read more

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How long does it take for local anesthesia to wear off?

How long does it take for local anesthesia to wear off?

Varies: Some will last about an hour, some for about 24 hours, and a newer type has the potential of lasting for up to 3 days. ...Read more

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What is the definition or description of: local anesthesia?

See below: A local anesthetic is a drug that acts to deaden the nerves in the area that it is injected into. ...Read more

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What can they give you if you have tolerance to local anesthesia?

More: Almost everyone will respond to medications in about the same way. Some local anesthetic types are broken down more easily (and therefore work less effectively) by one person than another. A good practitioner can almost always achieve good anesthesia by either changing the type, chemical mix or volume of the local anesthetic used without going into potentially toxic ranges ...Read more

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For what length of time does it take for my local anesthesia to wear off?

It depends: The time it takes for the local to wear off depends on multiple factors: how much local given, where is the local places compared to the numb areas, what portion of the body is numbed, what local anesthetic is used etc. Sorry, there is no simple answer, ask a more specific question so that the answer can be more specific. ...Read more

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Local anesthesia can be taken for hystersalpingogram?

No,: The procedure itself is somewhat similar to a speculum pelvic exam, then a catheter is placed through the cervix, and contrast injected. There is no opportunity for local anesthesia. ...Read more

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What effect will street drugs have on local anesthesia?

What effect will street drugs have on local anesthesia?

Depends on the drug: It is not recommended to use street drugs prior to any anesthetic. Any procedure involving local anesthetic could potentially require further sedation or general anesthesia and interaction with street drugs could be dangerous. You should not take any prior to a procedure and you should let your anesthesiologist know if you have. ...Read more

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How is general anesthesia different from local anesthesia?

Different medication: The word "anesthesia" can be confusing. It applies to many drugs that prevent responses to pain. Drugs like Lidocaine and novocaine are injected with a needle to numb an area: this is "local" anesthesia. Other drugs that are given through an iv--such as Propofol or sodium pentothal--and anesthesia gases that you breathe produce general anesthesia and complete unconsciousness. ...Read more

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Does local anesthesia make you high if it gets in your blood?

Does local anesthesia make you high if it gets in your blood?

Dizzy : It may make you feel dizzy. May cause ringing in ears or funny taste in mouth. Will not make you high. ...Read more

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Can a mentoplasty procedure be done by using local anesthesia?

No: The procedure is not always quick and it is not easy go adequate anesthesia with just local anesthesia. I prefer to do a general endotracheal anesthesia which provides a safe set up for the surgeon to do a good mentoplasty. ...Read more

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What is more expensive: general anesthesia or local anesthesia?

See below: Probably the general anesthetic would be more expensive, but it depends on where it is done. In an operating room you would also be paying the hospital charges for the or, as well as the nurses. The cost of the actual anesthetic would be on top of this. ...Read more

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How do doctors decide whether to use general or local anesthesia?

How do doctors decide whether to use general or local anesthesia?

Procedure dependent: The variables include the procedure, the patient, the medical history, surgeon preference, and the location. The biggest factor is the procedure iteself. Some procedures are okay under local anesthesia, with or without sedation. Other procedures cannot be done without general anesthesia. Some procedures may be done under regional (spinal/epidural or block) anesthesia. It just depends... ...Read more

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Partially erupted wisdom and local anesthesia. What can I expect?

Sedation: In most cases you will receive some form of sedation as well as the local anesthetic. Having had my wisdom teeth removed I can tell you I received valium and some narcotic. Though not under general anesthesia I have no recall of the procedure. ...Read more

Dr. Austina Cho
1 doctor shared a insight

Local Anesthesia (Definition)

A local anesthetic is a drug that acts to deaden the nerves in the area that ...Read more