DVT is a blood clot that forms in a major vein of your body, most commonly in your legs. It can also occur in your arms. * Swelling in the affected leg or arm, which can include swelling in the foot or ankle. It is most typically in one leg or arm.
Allergen immunotherapy is appropriate for patients suffering from immunoglobulin E (IgE)âmediated allergic diseases such as seasonal allergic rhinitis, perennial rhinitis, allergic asthma, and insect venomanaphylaxis.
Immunotherapy benefits include: 1  Targeting the specific allergen. 2  Reducing sensitivity in airways in the lungs as well as in the upper airways. 3  Preventing the development of new allergies in children. 4  Reducing asthma symptoms and the use of asthma medications in patients with known allergies.