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.
The risk with allergy blood tests is pain or bleeding at the needle mark. Also, a few people may faint during blood testing. What about allergy testing in children? Who can be tested for allergies? Adults and children of any age can be tested for allergies. How is allergy testing done? Allergy testing can be done as skin tests or as blood tests.