Definition of scholar for Students. 1  1 : a student in a school : pupil. 2  2 : a person who knows a great deal about one or more subjects : a learned person.
Allergic rhinitis, or hay fever, is swelling of the inside of your nose. The swelling is a reaction to allergens in the air. An allergen can be anything that causes an allergic reaction. Allergies to weeds, grass, trees, or mold often cause seasonal allergic rhinitis. Indoor dust mites, cockroaches, pet dander, or mold can also cause allergic rhinitis.
If your allergy is severe, you may have a serious reaction called anaphylaxis. Some cases could be life-threatening and need urgent attention. Here are some common types of allergies: Hay fever: Also known as allergic rhinitis, it can cause: Sneezing. Runny or stuffy nose. Itchy eyes, nose or roof of mouth.