Skin Wellness

Center for Advanced Dermatology and Laser

Skin Patch Testing for Allergies

Skin Patch testing is the best way to identify and predict from which possible material  your skin develops allergy.

 Skin Wellness offers affordable Skin Patch Testing using international protocols. By providing us with your history, we can design a program of allergens and products to Identify the cause of your symptoms and to Predict which products that are safe to use.  We also offer skin patch testing for commercial products.

 Skin patch testing is still the best way to stop your long agony to skin allergies thru Identification and Avoidance.

Our board certified dermatologist will be glad to explain everything you need to know about the results and to guide you on the things you should avoid.

What is patch testing?

Patch testing is a process used to detect whether someone has allergic contact dermatitis to something they contact at work or home. During patch testing, small amounts of chemicals or things that are used at work or home are diluted and placed onto discs mounted on hypoallergenic tape and then placed on the back.

How many patches?
The number of patches applied is specific to each individual. There are 10 discs on each patch and those attending our clinic often have approximately 7-10 patches or sometimes more placed on their back.
Why my back?
The back is used for patch testing because it has lots of room to put the patches. This also gives people the opportunity to have a bath, as the patches must be kept dry during the testing. Showers must be avoided for the length of the testing (Monday through to Friday after final appointment).

Preparation for Patch Testing

Shower the morning of the tests, as you cannot get your back wet from the time the patches go on until the time you see the dermatologist for your third appointment.
During testing, sweating must be avoided, as patches could sometimes fall off. So if you are working in a job where you get hot and sweaty, please call us for advice. Physical activity or playing sports during testing is also strongly discouraged.
Do not get your back exposed to sunlight for 5 days prior to testing. It is suggested that sunlight before testing may reduce the immune response in the skin.
Do not put any creams or oils on your back the morning of the testing.
If your doctor has given you cortisone or prednisolone tablets for your skin condition, please call us for advice. Generally prednisolone 
/cortisone tablets should not be taken 48 hours before testing.
Men with hair on their backs should shave or wax it off a day or two before testing (do not use chemical hair removal products).

What to bring?

 Bring Everything which is in contanct with your damaged skin. Products used on your skin, bring it in its original container, moisturizers , hand cleansers,soap, shampoo.

Products specific to the area of the skin affected. examples Gloves if you have hadn dermatitis or shoes and socks is your feet are affected.

Work samples- either bring them in  their container if not too big or put a small smaple amount into individual clean containers and label well.

Please call 01 710 5885 for more info.

 

NAME:

AGE

SEX :

RACE:

ADDRESS:

OCCUPATION

OBSERVATION DATES:

DATE:

T.R.U.E. TEST

Common Sources

 PANEL 1.1

REACTION

PANEL 1.2

REACTION

Potassium Dichromate

 

Mercapto Mix

 

Cinnamic Aldehyde

 

Epoxy Resin

 

Thiuram Mix

 

Paraben Mix

 

P-Phenylenediamine

 

p-tert-butylphenol Formaldehyde resin

 

Propylene Glycol

 

Fragrance mix

 

Bronopol

 

Ehylenediamine Dihydrochloride

 

Formaldehyde

 

 Quaternium-15

 

Rosin (Colophony)

 

 Nickel Sulfate

 

Triclosan

 

Kathon CG

 

Balsam of Peru

 

2-Mercaptobenzothiazole

 

Carba mix rubber

 

Imidazolidinyl Urea

 

Wool (lanolin) Alcohol

 

White Petrolatum , USP

 

 

 

 

 

ORIGIN

 

 

 

-

NEGATIVE

++

STRONG REACTION ( ERYTHEMA AND PAPULE)

+ / -

VERY MILD REACTION

+++

BLISTER

+

MILD REACTION (ERYTHEMA)

 

 

 

 

 

 

NOTES:   

INTERPRETATION:

  

Please see attached forms.

Reactions to allergens not included in this basic 24 allergen T.R.U.E patch test screening cannot be ruled out.

This test makes use of minute amounts of allergens, therefore cannot predict the extent of allergic reaction during prolonged exposure with larger amounts.

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