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A 28-year-old male asked:

What is the definition or description of: xylocaine (lidocaine) allergy?

4 doctor answers19 doctors weighed in
Dr. Mark Newman
Anesthesiology 36 years experience
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.
Dr. Michael Zacharisen
Allergy and Immunology 33 years experience
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. Bojan Pavlovic
Anesthesiology 20 years experience
Most often I see them when used as combo drug that has ester type local
Dec 24, 2012
Dr. David Simons
Anesthesiology 39 years experience
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. Boris Aronzon
Anesthesiology 24 years experience
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.
Dr. Merrie Anne Hamburg Eylers
Anesthesiology 28 years experience
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.
Dr. HENRY LEGERE
Allergy and Immunology 19 years experience
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.

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Last updated Jul 10, 2015
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