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Patch Testing for Skin Allergies

A Patch Test is a skin test used to find the cause of a possible allergic skin reaction. This type of reaction is called allergic contact dermatitis.

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Patch Testing for Skin Allergies

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  1. Patch Testing for Skin Allergies

  2. What is Patch Testing? • A Patch Test is a skin test used to find the cause of a possible allergic skin reaction. This type of reaction is called allergic contact dermatitis. • The patch test is performed by the dermatology clinic. During the patch test, different substances are placed on the skin and secured with tape. The patches are usually placed on the back, left on for 2 days, and then removed. The dermatologist will evaluate the area of ​​skin that was tested 2 to 4 days after the patches are removed.

  3. WHAT IS ALLERGIC CONTACT DERMATITIS? • Common Symptoms include: • Burning • Itching • Redness • Rash • These symptoms can last up to four weeks and can usually be treated at home with medications and topical creams. The best protection against contact dermatitis is to identify the specific triggers that cause the reactions, so that patients can avoid these substances as often as possible. A patch test can help identify the trigger. It does not require the use of needles or injections.

  4. Patch Testing

  5. How do I prepare for Patch Testing? • If you take cortisone pills or have injected cortisone in the last month, tell your health care provider. You can use any prescription skin cream as directed up to one week before your patch test. At that time, stop applying the prescription creams. • You can continue to use moisturizers until the patch test strips are applied. Avoid exposure to the sun or ultraviolet light for four weeks before the patch test. • On the day you are scheduled to have your patches applied, you may want to wear clothes that you don't mind getting stained. On rare occasions, the marker used to mark the area to be examined may stain clothing.

  6. During the Test: • You will visit us several times during patch testing. Patch tests will be done during the first visit. Patch tests include two or three rectangular panels with small amounts of allergens previously applied. • Sometimes individual patch tests can be applied. The panels are placed on the skin, usually on the back. • After two days the panels are removed and skin reactions measured. You will return a day or two after the panels are removed to measure skin reactions again. • Dr. Maryam Zamani in London, is here to help patients look and feel their best. Book an appointment.

  7. For More Details Visit at: drmaryamzamani.com

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