Allergy Tests

Allergy tests are diagnostic techniques that verify if the patient suffers from any type of allergy, either food, drugs...

There are three common methods of skin allergy testing.

Skin prick testing involves:

  • Applying a small amount of the substance that may be causing your symptoms to the skin, often on the forearm, upper arm, or back.
  • The skin is pricked so that the allergen penetrates below the surface of the skin.
  • The health care provider closely examines the skin for swelling and redness or other signs of a reaction. Results are seen within 15 to 20 minutes.
  • Multiple allergens can be tested at the same time. Allergens are substances that cause an allergic reaction.

Intradermal testing involves:

  • Inject a small amount of allergen into the skin.
  • The provider then watches for a reaction on the spot.
  • This test is most likely to be used to find out if you are allergic to bee venom or penicillin. Or it may be used if the skin prick was negative and the provider still thinks you are allergic to the allergen.

Patch testing is a method of diagnosing the cause of the reaction after the substance touches the skin:

  • Possible allergens are attached to the skin for 48 hours.
  • The provider will check the area in 72 to 96 hours.

We offer our services to the towns of Lliçà d'Amunt, Lliçà d'Avall, Montmelò, Montornès del Vallès, Mollet del Vallès i Parets del Vallès.

If you want more information about our services, specialties or medical tests, do not hesitate to contact us.