Discover 8 ways mast cell activation syndrome causes widespread symptoms from digestive issues to brain fog, often mistaken ...

Among racial and ethnic groups, non-Hispanic white adults reported the highest rate of seasonal allergies (28.4%), followed ...

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

"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 ...

Spring allergy season is expected to worsen in 2025. Longer growing seasons due to climate change have caused seasonal ...

Eosinophils play a crucial role in allergic responses, secreting cytokines and inflammatory mediators that exacerbate AR ...

For allergic rhinitis, nasal steroids are the most effective OTC agents, while the topical spray antihistamine azelastine ...

For most children, symptoms may be controlled by avoiding the allergen, if known, and using nonprescription medicines. But if a child's symptoms are persistent and not relieved by nonprescription ...

The U.S. Food and Drug Administration has expanded its indication of ALK's Odactra, a house dust mite allergen tablet, for ...

Eczema is an umbrella term for a group of conditions that result in skin irritation and inflammation. The most common form of ...

One-year-olds may have lower odds of having food allergies if their mothers ate avocados during pregnancy, new research shows.

Try foods, drinks, and plant compounds, like ginger, that counteract histamine reactions. Find a complete list of ...