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Allergy Patch Test

What is Patch Testing?

Patch testing is a procedure used to identify causes of contact dermatitis (Allergic Reaction).

What is the procedure of Patch testing?

Patch testing attempts to reproduce the allergic reaction on the normal skin via allergens which are applied on the upper back of the patient and subsequently removed with in 3 to 4 days.

What is tested?

The allergens applied on patient’s skin are tailored to the individual. A standard baseline series of allergens is applied, together with other specific allergens relevant to the individual. Examples of substances that can cause allergic contact dermatitis are nickel, fragrances, preservatives, hair dyes, etc.

How long will patch testing take?

After the test, you’ll go back to the doctor a couple of times where the reaction under each patch is evaluated and rated. The first appointment will probably be 48 hours after the application and your doctor will mark the area with a waterproof pen. Subsequent appointments at 2-to-3-day intervals will be necessary to see if there has been any change, so you’ll know if the reaction was immediate or delayed. The whole process takes about 3 to 4 visits. But it’s worth it if you do find out what pesky allergen is causing your symptoms.

Our Doctors
Our doctors are board-certified dermatologists who are trained in making the diagnosis and providing medical/surgical management of diseases of the skin, hair and nails. Additionally, they acquire high degree of expertise on aesthetic procedures & anti-aging treatment. Our experienced team offers the latest and most effective surgical and non-surgical procedures designed to firm, smooth, or clear up your skin and achieve a healthier, more youthful look.