Eosinophils are specialized white blood cells that curb infection and boost inflammation. If you have too many, it’s called eosinophilia. Learn how EOS blood tests can help diagnose allergic ...

Eosinophils are a type of white blood cell and part of the immune system. They fight harmful pathogens such as bacteria and parasites, but can also cause inflammation.

What might low eosinophil levels suggest? Learn more about a low eosinophil count, including symptoms, possible causes, and treatment options.

Benralizumab is an eosinophil-depleting anti–interleukin-5 receptor α monoclonal antibody. The efficacy and safety of benralizumab in patients with eosinophilic esophagitis are unclear.In a ...

SAN DIEGO — Patients with higher eosinophil counts experienced more cardiovascular disease, according to a poster presented at the 2025 American Academy of Allergy, Asthma & Immunology/World ...