"When we have that patient walk in the door and say, 'Look, I've been fine. And then up until 2 years ago I started having ...

Seasonal allergies affect a large number of adults and children alike, with an apparent upward trend, although estimates are imprecise. Prevalence numbers vary widely across studies, influenced by age ...

Xyzal (levocetirizine) and Zyrtec (cetirizine) are over-the-counter (OTC) allergy medications. Learn about their key ...

While spring allergy season usually starts in March, more warm weather earlier in the year means people might begin experiencing symptoms in February, or even January.

Seasonal (SAC), perennial (PAC) or occasional allergic conjunctivitis are typically IgE-mediated, whereas in chronic allergic disorders, such as vernal keratoconjunctivitis (VKC) or atopic ...

Allergies can be seasonal or year-round (perennial). In most parts of the U.S., plant pollens are often the cause of seasonal allergic rhinitis, more commonly called hay fever. Indoor substances ...

She has revealed that the 5,870 women studied by the research team were aged 20-29 years, and free of seasonal and perennial allergic rhinitis at the start of the study. The researchers asked the ...