1 Henoch-Schonlein purpura. 2  This condition is an inflammation of the smallest blood vessels (capillaries) of your skin, joints, bowel and kidneys. 3  Signs and symptoms include abdominal pain, blood in the urine, joint pain, and a rash on your buttocks or lower legs.
Allergic rhinitis, also known as hay fever, is a type of inflammation in the nose which occurs when the immune system overreacts to allergens in the air. Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the eyes. The fluid from the nose is usually clear.
Allergic rhinitis. Rhinitis caused by an allergic reaction may be either seasonalâoccurring only at certain times of the yearâor perennialâoccurring year round. Seasonal allergic rhinitis is sometimes called hay fever.. It is an allergic reaction to pollen from trees and grasses.