The causes of high eosinophils may be due to allergic diseases, infections, hematologic diseases, skin diseases, and other diseases.
1. Allergy: including allergic diseases, bronchial asthma, drug allergy and so on.
2. Infections: mainly parasitic infections such as schistosomes, hookworms, roundworms, and so on.
3. Blood system diseases: such as chronic granulocytic leukemia, eosinophilic granulocytic leukemia, multiple myeloma and so on.
4. Skin diseases: including psoriasis, eczema, exfoliative dermatitis, etc;
5. other diseases: such as hypoadrenocorticism, allergic interstitial nephritis, malignant tumors such as lung cancer.
If there is a high eosinophil, further examination should be carried out in time to clarify the cause of the disease and then treat it.