High red blood cell count is usually associated with gastrointestinal diseases, chronic obstructive pulmonary disease and hematologic diseases, such as erythrocytosis; it is necessary to combine with detailed examination to treat the primary disease, and can choose montelukast, amoxicillin, terbutaline, aspirin and other drugs under the guidance of the physician. 1. Gastrointestinal diseases: Acute enteritis may cause frequent vomiting and diarrhea, which may lead to blood concentration after dehydration, thus increasing the count of red blood cells; after the symptoms of acute enteritis appear, it is necessary to relieve the symptoms immediately by rehydrating fluids and controlling the diet; some patients can take Montelukast to stop the diarrhea under the instruction of the doctor. 2. Chronic Obstructive Pulmonary Disease (COPD): when doing some routine examination, usually presenting the phenomenon of leukocytosis and high red blood cell counts, it is usually necessary to use antibiotic drugs for treatment, such as amoxicillin or cefuroxime, etc., and for the emergence of respiratory symptoms, it is also necessary to use bronchodilators, such as terbutaline and salbutamol. 3. Erythrocytosis: usually due to genetic mutation or genetic factors, usually need to use the prevention of thrombosis drugs, control the condition, such as aspirin or dipyridamole, etc., can also be used in accordance with the doctor’s instructions, such as hydroxyurea treatment, but if the prostate hypertrophy or glaucoma patients should be prohibited from using. If you feel unwell, you should go to the hospital in time and consult a physician for guidance on the use of medication, not self-medication.