1 This condition is an inflammation of the smallest blood vessels (capillaries) of your skin, joints, bowel and kidneys. 2  Signs and symptoms include abdominal pain, blood in the urine, joint pain, and a rash on your buttocks or lower legs.
Description. Allergic rhinitis (AR) is the most common allergic condition and one of the most common of all minor afflictions. It affects between 10-20% of all people in the United States, and is responsible for 2.5% of all doctor visits.
Hay fever (allergic rhinitis) is a common allergic condition. Symptoms of hay fever mimic those of chronic colds and include. stuffy or runny nose, itchy and watering eyes, and; sneezing. The best way to treat an allergy condition is to identify the allergic trigger and avoid it. Allergists are medical specialists trained in the diagnosis and treatment of allergies, including hay fever. Histamine is a key chemical cause of allergic rhinitis and other allergic reactions. Effective treatment is available in many forms, including medications and desensitization therapy (immunotherapy).