of or relating to a vesicle or vesicles. 2. having the form of a vesicle. 3. characterized by or consisting of vesicles.
Types of Allergy Blood Tests. Allergy blood tests detect and measure the amount of allergen-specific antibodies in your blood. When you come into contact with an allergy trigger, known as an allergen, your body makes antibodies against it.llergy blood testing is recommended if you: 1  Are using a medicine known to interfere with test results and cannot stop taking it for a few days. 2  This would include antihistamines, steroids, and certain antidepressants.
One or more allergen-specific IgE antibody tests are usually ordered when a person has signs or symptoms that suggest an allergy to one or more substances. Signs and symptoms may include: 1  Hives. 2  Dermatitis. 3  Eczema. 4  Red itchy eyes. 5  Coughing, nasal congestion, sneezing. 6  Asthma. 7  Itching and tingling in the mouth.