What is the cause of a high eosinophil count in the blood count?

Blood routine with only high eosinophil count is likely to be caused by allergic reactions, parasitic infections, ulcerative colitis, hematologic disorders and so on.
1. When urticaria, allergic rhinitis, atopic dermatitis, asthma, food or drug allergy occurs in human body, its pathogenesis is an allergic reaction of the body, which is manifested by a high eosinophil count, but there are often no abnormalities in red blood cell and platelet counts. This kind of patients can return to normal after active anti-allergy treatment (loratadine).
2. When the human body occurs hookworm disease, schistosomiasis, schistosomiasis, filariasis and other parasitic infections caused by the disease, will also be manifested in the eosinophil count is elevated, need to address the cause of the treatment, until the primary disease can be cured to return to normal. Drugs include albendazole, etc.
3. In addition, the human body occurs ulcerative colitis may also appear eosinophil elevation, but ulcerative colitis can be accompanied by chronic blood loss of the colon, some patients may be accompanied by anemia, need to improve the electronic colonoscopy to clarify the diagnosis, and to be glucocorticosteroid (Prednisone) and other medications to carry out treatment.
4. It can also be seen in primary eosinophilia and other blood diseases.
It is recommended that the patient consult a doctor in a timely manner, complete the relevant examinations to clarify the diagnosis, and under the guidance of the physician for the cause of the treatment.