How Allergy Patch Testing Works

If your doctor suspects that your sensitive skin is actually skin inflammation due to allergies, you may need to undergo patch testing to find out what it is that you’re actually allergic to. Patch testing is pretty simple, and it can be conducted easily on an outpatient basis with little supervision. Here’s what you need to know.

Patch testing is just what it sounds like.

The doctor is going to place suspected allergens on patches, which are then attached to your back. You can be tested for many allergens at one time. The patches will need to remain in place for a few days. Your doctor will give you instructions for keeping them dry and in place, as well as schedule a follow up appointment to view results.

Why is patch testing used for skin allergies?

Skin irritants are best determined through patch testing because it allows for a delayed reaction to be measured. Often products that are causing skin inflammation do so over time. For example, if you are allergic to your laundry soap, you might feel fine for the first hour or two after putting on clean clothes; but after a period of exposure, the skin becomes inflamed. 

By leaving the small amounts of allergens in place on the skin for several days, it allows the body to develop any likely reaction. This makes patch testing the most accurate for skin conditions.

How do I get tested?

Patch testing is your first important step in taking control of your skin’s health. Once you know what allergens to avoid, you can begin addressing other skincare concerns. Contact us today to schedule an appointment to discuss your options.

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