There are two main types of allergic rhinitis: seasonal and perennial. The type of allergic rhinitis you have depends on how frequently you experience symptoms and how long the symptoms last.

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

Discover how to tell allergies from sinus infections with these telltale symptoms, plus the treatments that bring fast relief ...

Allergic rhinitis (allergies or hay fever ... allergy symptoms in periods when certain trees or grasses bloom. Perennial allergies often cause chronic (long-term) allergy symptoms because ...

Hay fever sufferers who followed a resistance training programme on top of medication experienced significantly fewer ...

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 ...

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

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 have found Melbourne’s pollen season is starting earlier and lasting longer. Credit: Luis Enrique Ascui. This could mean more days prone to thunderstorm asthma condi ...