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 conjunctivitis is an inflammatory response of the conjunctiva to an allergen. It is part of a larger systemic atopic reaction and is usually seasonal with associated upper respiratory tract symptoms and complaints of redness and swelling of the conjunctiva with severe itching and increased lacrimation. Presence of rhinitis often terms this process as allergic rhinoconjunctivitis.