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This patient information on Lidocaine is provided by John L. Meisenheimer, M.D. a board certified Dermatologist and skin care specialist based in Orlando, Florida.  This information is not intended as a substitute for the medical advice or treatment of a dermatologist or other physician.

The results from your patch testing showed a positive reaction (contact allergy) to Lidocaine. Your immune system reacts with its defense mechanisms with each exposure of Lidocaine to your skin. It is unknown why certain individuals develop allergic sensitivities. In some it may take repeat exposures over long periods of time before an allergy develops. Once you have become sensitized (allergic) your immune system always "remembers" and you will be Lidocaine sensitive. If you currently have eczema this chemical may be the cause but other factors may play a role as well. The information below will help you avoid this allergen.

This chemical is most commonly used as topical and local anesthetics. Allergic reactions to lidocaine are usually rare. This chemical may cross react with other amide caines such as dibucaine, carbocaine, and prilocaine.

Where is chemical found?
►Anesthetic topical
►Dental injection
►Injectable local anesthetic
►Suppositories

Hints on avoiding chemical:
►Choose products listed only on your personalized Contact Allergen Database, which has been provided to you. Products listed on your Contact Allergen Resource Database will be free of Lidocaine and safe to use.
►Please be aware that if your spouse or significant other uses topical skin care products that contain this chemical skin-to-skin transfer may occur to you.
►It may take 2 to 3 weeks of avoiding exposure before improvement of your eruption begins.
►Inform your primary care physician of your allergy.

Other names you may see this chemical listed as:
2-(Diethylamino)-N-(2,6-dimethylphenyl)acetamide
2-Diethylamino-2´,6´-acetoxylidide
w-Diethylamino-2,6-dimethylacetanilide
Lignocaine
Xylocaine
Xylotox
Leostesin
Rucaina
Isicaine
Cuivasal
Duncaine
Sylestesin
Anestacon
Gravocain
Lidothesin
Xylocitin
Xylestesin
 

© John L. Meisenheimer, M.D.  2004                                   WWW.OrlandoSkinDoc.com

Last modified: 08/27/06