Tetracaine Hydrochloride

This patient information on Tetracaine Hydrochloride 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 Tetracaine Hydrochloride. Your immune system reacts with its defense mechanisms with each exposure of Tetracaine Hydrochloride 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 Tetracaine Hydrochloride 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 local and topical anesthetic and is found in numerous medications.

Where is chemical found?

Anti-itch medications
Cough tablets
Dental solutions
Ear drops
Eye drops
Mouth spray
Throat spray

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 Tetracaine Hydrochloride 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 healthcare provider of your allergy.

Other names you may see this chemical listed as:

2-dimethylaminoethyl 4-n-butylaminobenzoate hydrochloride
4-(Butylamino)benzoic acid 2-(dimethylamino)ethyl ester hydrochloride
Amethocaine hydrochloride
Gingicain M
p-butylaminobenzoyl-2-dimethylaminoethanol hydrochloride
Pontocaine hydrochloride

Possible Occupational Exposure:


© John “Lucky” Meisenheimer, M.D.  2019                                   WWW.OrlandoSkinDoc.com