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This occurs where the eosinophil count is greater than 0.44 x 10^9/l. It may be a feature of the following conditions:
- asthma and allergic disorders - asthma, hypersensitivity, drugs, angioneurotic oedema
- parasitic infections - especially schistosomiasis, echinococciasis
- polyarteritis nodosa
- Churg-Strauss syndrome
- Addison's disease
- skin disease - pemphigus, urticaria, eczema, dermatitis herpetiformis, erythema multiforme
- malignancy:
- Hodgkin's disease
- carcinoma
- haematological malignancies:
- chronic myeloid leukaemia
- other myeloproliferative syndromes
- eosinophilic leukaemia
- Loeffler's syndrome
- Loeffler's endocarditis
- scarlet fever
- irradiation
- during convalescence from any infection
- hypereosinophilic syndrome
- post-splenectomy
- cholesterol emboli syndrome
- drugs - penicillins, streptomycin
If raised eosinophil count in an adult (3):
Reference:
- Felig P et al (2001) Endocrinology and Metabolism. McGraw-Hill.
- Hart FD (Ed) (2005). French's Index of Differential Diagnosis.
- NHS Camden CCG. Abnormal FBC guidance - for adults (Accessed 30/10/19)
Links:
- atopy
- angioneurotic oedema
- helminthic diseases
- polyarteritis nodosa
- Churg-Strauss syndrome
- pemphigus
- dermatitis herpetiformis
- Hodgkin's disease
- Addison's disease
- eosinophilic leukaemia
- chronic myeloid leukemia
- Loeffler's syndrome
- Loeffler's endocarditis
- hypereosinophilia syndrome
- nematodes
- scarlet fever
- splenectomy
- cholesterol emboli syndrome
- drug-induced eosinophilia