This patient information on Ethylenediamine Dihydrochloride 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 Ethylendiamine dihydrochloride. Your immune system reacts with its defense mechanisms with each exposure of Ethylenediamine Dihydrochloride 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 Ethylenediamine dihydrochloride 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. 

EDD is a preservative and the most common source of skin exposure to this chemical is medicated skin creams.

Where is chemical found?

Accelerator in color development baths in photography
Antibacterial creams
Antifungal creams
Antihistamine drugs
Coolant oils
Electrophoretic gels
Epoxy curing agent
Epoxy resins
Eye drops
Motion sickness medicines
Nose drops
Nystatin creams
Solvent for casein, albumin, shellac
Steroid Creams
Synthetic waxes
Textile lubricant
Veterinary preparations

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 Ethylenediamine Dihydrochloride and safe to use.
Please be aware that if your spouse or significant other uses topical skincare 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.

Other names you may see this chemical listed as:

1,2 Ethanediamine
1,2 Diaminoethane

Possible Occupational Exposures:

Chemical Technicians

© John “Lucky” Meisenheimer, M.D.  2019