Allergy Testing and Treatments

North Carolina Eye, Ear, Nose & Throat offers Allergy testing and treatments so that you won’t miss a minute of life.

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Allergy Testing

Allergy testing can be performed on adults and children and can be done in two ways. Skin tests are usually done because they are rapid and more reliable than blood tests, but either type of test may be used.

Skin Tests

A small amount of a suspected allergen is placed on or below the skin to see if a reaction develops.

Skin prick test

This test is done by placing a drop of a solution containing a possible allergen on the skin, and a series of scratches or needle pricks allows the solution to enter the skin. If the skin develops a red, raised itchy area it usually means that the person is allergic to that allergen.

Intradermal test

During this test, a small amount of the allergen solution is injected into the skin. An intradermal allergy test may be done when a substance does not cause a reaction in the skin prick test but is still suspected as an allergen for that person. The intradermal test is more sensitive than the skin prick test but is more often positive in people who do not have symptoms to that allergen.

Blood Tests

Allergy blood tests look for substances in the blood called antibodies. Blood tests are not as sensitive as skin tests but are often used for people who are not able to have skin tests.

Cary, Chapel Hill, Durham - Allergy treatments so that you won’t miss a minute of life. Once your allergy testing results have come back, our ENT Doctors can recommend treatment methods. Depending on the allergen, our Doctors may recommend immunotherapy in the form of allergy shots or sublingual drops. Avoidance of the allergy may also be recommended.

Sublingual Allergy Drops

Sublingual allergy drops, like allergy shots, are a form of immunotherapy. Unlike allergy shots, however, sublingual allergy drops are usually placed under the tongue. These allergy drops are often referred to as “sublingual immunotherapy”. Sublingual drops are usually taken at home, as they are usually used several times in a week.


There are times when there may be no effective treatment methods for an allergy. When there is no sufficient treatment available, it is best to avoid the allergen altogether. Once your allergy test results have identified the specific things you are allergic to, you can then determine how best to avoid them. With food allergies, this would involve eliminating the allergen from your diet. Many food allergies in children can be outgrown. Your doctor may recommend repeat testing at specific time intervals. With seasonal allergies, it might involve keeping your home’s windows and doors shut tight and using an allergen reducing air filter.

Pediatric Services Available

At NCEENT, we take care of each child as if they were our own. By offering a wide range of pediatric services, including pediatric allergy care, our providers treat a vast number of common disorders.>