New seasonal allergies in adulthood can result from a genetic predisposition, exposure to new allergens, changes to your immune system, or other causes.

Table 4 presents similar data for the incidence and age at onset of perennial allergic rhinitis in the 2 groups. The criteria for diagnosis of this condition in this study were as follows ...

Researchers found nasal nitric oxide levels to be similar in allergic and nonallergic rhinitis, undermining its reliability ...

Treating non-allergic rhinitis with an antihistamine under ... After determining that the patient doesn't have true perennial allergies, like dust mites or grass, it's time to increase reliance ...

Medically reviewed by Alicen Nelson MD, MPH Allergic rhinitis (allergies or hay fever) and sinusitis (sinus infections) can ...

The table below includes key similarities and differences between Xyzal and Zyrtec: Appropriate use Seasonal and perennial (year-round) allergic rhinitis and chronic idiopathic urticaria (hives ...

Atopic dermatitis, asthma, and allergic rhinitis are among the allergic diseases tied to a significantly increased risk for ...

A review published in The Laryngoscope indicates that climate change's effects on pollen seasons and concentrations are ...

Experts predict a severe season for hay fever We cover everything to know about causes and symptoms as well as simple tips to help ease symptoms for allergy sufferers.