DMV Allergy & Asthma Center – Allergist Washington DC & Alexandria

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Skin Testing

Skin Testing For Allergies

Skin Testing In Alexandria, VA and Washington DC

At DMV Allergy & Asthma Center in Alexandria, VA, and now in Washington DC, we offer comprehensive skin testing for allergies to help diagnose allergic reactions and identify specific allergens that may be causing symptoms. Skin allergy testing is a common and effective way to assess allergic sensitivities.

Types of Skin Testing We Offer

There are two main types of skin tests:

Skin Prick Test (SPT)

In this skin test for allergies, a small amount of the suspected allergen is applied to the skin, usually on the forearm or back. The skin is then pricked or scratched with a tiny needle, allowing the allergen to enter. If a person is allergic to the substance, they will develop a small raised bump or redness at the test site within about 15-20 minutes.

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Intradermal Test:

This involves injecting a small amount of the allergen solution just beneath the surface of the skin using a thin needle. This method of skin testing is more sensitive than the skin prick test and is often used when a specific allergen is strongly suspected, especially if the skin prick test result is negative. Skin testing for allergies is frequently used to identify allergies to substances like pollen, mold, pet dander, dust mites, certain foods, and insect venom. It is a quick and relatively simple procedure that can be performed in our Alexandria, Virginia clinic. However, it is important to note that skin testing may not be suitable for everyone, and alternative methods, such as blood tests, may be recommended. Consulting with our allergists and immunologists at DMV Allergy & Asthma Center will help determine the most appropriate testing method based on your medical history and symptoms. The results of skin allergy testing can guide your allergy treatment, including avoidance strategies and personalized treatment plans.

FAQ About Skin Testing

Skin testing is performed to identify specific allergens that may be causing allergic reactions in individuals. It helps healthcare professionals diagnose allergies and determine appropriate treatment plans.
In the skin prick test, a small amount of the allergen is applied to the skin’s surface and then pricked or scratched with a needle. In the intradermal test, a small amount of the allergen is injected just beneath the skin’s surface using a needle. The intradermal test is more sensitive but may have a higher risk of false positives.

Skin testing can detect allergies to various substances, including pollen, mold, pet dander, dust mites, certain foods, and insect venom.

Skin testing is generally safe for adults and older children. However, alternative testing methods may be used for infants and very young children.

Results from the skin prick test typically appear within 15-20 minutes. Intradermal test results may also be observed within a similar timeframe.

Skin testing is generally safe, but there is a minimal risk of allergic reactions at the test site. Serious reactions are rare but can occur.