Nonallergic rhinitis can affect children and adults. There are many different triggers for nonallergic rhinitis symptoms, including certain odors or irritants in the air, changes in the weather, certain medications, foods, and chronic medical conditions.

Nonallergic rhinitis is an inflammation of the lining of the nose that causes symptoms such as nasal itching, sneezing, runny nose, and nasal congestion. Nonallergic rhinitis is usually caused by a virus. Treatment includes sympathomimetic drugs, antihistamines, and humidifying the air in the room.