Allergy Glossary adrenaline - see epinephrine. Many types of antibodies are protective, however, inappropriate or excessive formation of antibodies may lead to illness. Individuals with this disease must avoid gluten-containing grains, which include all forms of wheat, oats, barley, and rye. It dilates the airways to improve breathing and narrows blood vessels in the skin and intestine so that an increased flow of blood reaches the muscles and allows them to cope with the demands of exercise.
Lactose intolerance is an example.
Individuals with this disease must avoid gluten-containing grains, which include all forms of wheat, oats, barley and rye. Immunoglobulins sometimes bind to antigens that are not necessarily a threat to health and provoke an allergic reaction. A person with lactose intolerance lacks an enzyme that is needed to digest milk sugar, which causes symptoms such as gas, bloating, and abdominal pain. In an allergic response, an allergen stimulates the release of antibodies, which attach themselves to mast cells. A physician places a drop of the substance being tested on the patient's forearm or back and pricks the skin with a needle, allowing a tiny amount to enter the skin.