Allergic rhinitis, also termed as hay fever, 

Due to overreaction of immune-system to allergen, nasal mucus membrane gets inflamed. 

Signs and symptoms:

1. Watery nose or stuffy nose, 
2. Frequent sneezing,
3. Unable to smell properly
4. Eyes-red, itchy, and watery along with swelling around the eyes.

Usually anti-allergic medicine are prescribed for allergic rhinitis, but rhinitis gets good cure with homeopathic treatment.