A little high hemoglobin is usually not a big problem, but if it stays high, you need to go to the hospital for a detailed examination.
1. Higher hemoglobin is mostly due to physiological reasons, such as low oxygen concentration in the living environment, people in the plateau area, the body in order to improve the oxygen-carrying capacity, there will be red blood cells, hemoglobin increased. In addition, the hemoglobin in the blood of people who are overly excited and agitated, as well as those who do strenuous exercise, will also increase a little bit.
2. However, if the hemoglobin is always high, it is considered to be caused by pathological factors, mostly the following diseases: congenital heart disease, chronic pulmonary heart disease, severe vomiting, diarrhea and so on. Hemoglobin in a higher state for a long time, is more harmful to the body, will increase the viscosity of the blood, slow blood flow, easy to cause headache, dizziness, fatigue, tinnitus, peptic ulcer, thrombosis and so on.
In short, hemoglobin is a little high, usually not a big problem, but has been elevated, you should go to the hospital for relevant examinations, in order to facilitate symptomatic treatment.