Eosinophilia

Investigation of high eosinophil count.

Reviewed by Dr Kola Tytler MBBS CertHE MBA MRCGP (General Practitioner)
Last reviewed: 21 October 2025
HaematologyAllergyInfectious Diseases

Clinical Guidelines

Guideline for the investigation and management of eosinophilia
National
NICE guideline [TA671]: Mepolizumab for treating severe eosinophilic asthma
National
AGA Institute and the Joint Task Force on Allergy-Immunology Practice Parameters Clinical Guidelines for Eosinophilic Esophagitis
Local
Evidence-Based Guideline for the diagnosis and management of eosinophilic granulomatosis with polyangiitis (EGPA)
Local
French guidelines for the etiological workup of eosinophilia and the management of hypereosinophilic syndromes
Local
Guideline for the investigation and management of eosinophilia (British Society for Haematology/BCSH)
Local
Guidelines for the diagnosis and treatment of eosinophilia. 2nd version, September 2012. The Nordic study group on myeloproliferative disorders (NMPD)
Local
KDIGO 2012 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease
Local
Management of Adult Patients With Drug Reaction With Eosinophilia and Systemic Symptoms: A Delphi-Based International Consensus
Local
Management of eosinophilic esophagitis (EoE) - American Gastroenterological Association (AGA) Clinical Guidance
Local
NCCN Clinical Practice Guidelines in Oncology: Myeloid/Lymphoid Neoplasms with Eosinophilia and Tyrosine Kinase Gene Fusions
Local
UK guidelines for the investigation and management of eosinophilia
Local