A 28-year-old male asked:
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what is the definition or description of: xylocaine (lidocaine) allergy?

4 doctor answers
Dr. Mark Newman
35 years experience Anesthesiology
Local anes. allergy: An allergy or allergic reaction to the local anesthetic lidocaine. There are 2 basic types of local anesthetic. Lidocaine is a member of the amide family of local anesthetics. True allergy vs side effects to the amide family of local anesthetics is rare.
Answered on Sep 13, 2014
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5 comments
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Dr. David Simons
38 years experience Anesthesiology
Often a reported allergy to a local anesthetic is actually due to a sensitivity to epinephrine. Epinephrine is added to extend the duration.
Dec 30, 2012
Dr. Bojan Pavlovic
19 years experience Anesthesiology
Most often I see them when used as combo drug that has ester type local
Dec 24, 2012
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
Allergy skin testing to local anesthetics is available if there is a concern and reluctance to use one of them based on a previous reaction. I agree that true allergic reactions are very unusual.
Dec 10, 2012
Dr. Boris Aronzon
23 years experience Anesthesiology
Lidocaine: Xylocaine is more famous as lidocaine. Allergies are rare and are divided into immediate reactions, mostly as contact dermatitis or delayed reactions. Life threatening reactions manifest as hypotension, respiratory arrest, cardiovascular collapse and deaths. Allergic reactions are different from Lidocaine toxicity. Frequently allergic reactions are caused by preservatives in the solution.
Answered on Jun 26, 2014
Dr. Merrie Anne Hamburg Eylers
27 years experience Anesthesiology
Multiple symptoms: A true allergic reaction involves the release of histamine which will cause hives, redness to skin, itching, swelling, possibly wheezing and at worst low blood pressure and circulatory collapse. These require immediate medical attention.
Answered on Jul 10, 2015
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6 thanks
Dr. HENRY LEGERE
18 years experience Allergy and Immunology
Type I HSR: Drug allergies can be acute or delayed. There is a growing awareness of immediate, anaphylactic spectrum reactions to local anesthetics such as xylocaine (lidocaine). Patients who have experienced reactions to local anesthetics should avoid them until they have consulted with an allergist to determine if they are allergic to it and to see if there is an alternate local anesthetic they can use.
Answered on Aug 31, 2013
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