Take your pick...
Causes: The mnemonic device CHINA (ie, connective tissue diseases, helminthic infections, idiopathic HES, neoplasia, allergies) describes the categories of diseases that sometimes are associated with blood eosinophilia.
Connective tissue diseases
Churg-Strauss vasculitis
Rheumatoid arthritis
Eosinophilic fasciitis
Eosinophilia-myalgia syndrome (due to tryptophan in the United States in 1989)
Toxic-oil syndrome (due to contaminated rapeseed oil in Spain in 1981)
Coccidioidomycosis fungal infection
Helminthic (ie, worm) parasitic infections
Ascariasis
Schistosomiasis
Trichinosis
Visceral larva migrans
Gnathostomiasis
Strongyloidiasis
Fascioliasis
Paragonimiasis
Idiopathic hypereosinophilic syndrome
Neoplasia
Lymphoma (eg, Hodgkin lymphoma, non-Hodgkin lymphoma)
Human T-cell lymphotropic virus I (HTLV-I)
Adult T-cell leukemia/lymphoma (ATLL)
Eosinophilic leukemia (very rare)
Gastric or lung carcinoma (ie, paraneoplastic eosinophilia)
Allergic/atopic diseases
Asthma
Allergic rhinitis
A lot of stuff can happen in 6 months...
I would want to know.
🙂