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.
Allergic rhinitis is the most common cause of rhinitis. It is caused by environmental allergies and is characterized by an itchy/runny nose, sneezing, and nasal congestion. Other allergic symptoms include: 1  itchy ears and throat, significant association exists between rhinitis (allergic), asthma, and chronic sinusitis. Post-nasal drip is mucus accumulation in the back of the nose and throat leading to, or giving the sensation of, mucus dripping downward from the back of the nose.