This is triggered by allergy to pollens, including trees in spring, grasses in summer and weeds in fall. Symptoms include sneezing, itching, tickling in the nose, runny or stuffy nose and watery or itchy eyes. Seasonal rhinitis is diagnosed primarily by your medical history. Skin testing is not always indicated, especially if your symptoms are mild. These triggers include indoor allergens such as mold, house dust mite, cockroach and animal dander.
Symptoms are the same as seasonal allergic rhinitis but are experienced throughout the year.
The health care provider makes the diagnosis for perennial rhinitis by your medical history and positive skin tests to relevant allergens. This type of rhinitis is not well understood. Symptoms are the same as perennial rhinitis with allergic triggers. Diagnosis is determined from negative skin tests and a nasal smear test positive for eosinophils. Nasal polyps can be a complication of this condition.