A hemoglobin test usually does not require an empty stomach. The hemoglobin test can understand the hemoglobin content in the body. Generally, eating will not affect the results. The hemoglobin test can be performed at any time (such as after eating, drinking, etc.). It is recommended to choose a regular medical institution for the general inspection of hemoglobin, which can get more accurate inspection results.
Usually there are many items that need to be checked on an empty stomach, such as liver function, kidney function, fasting blood sugar, blood lipids, cholesterol, serum immunoglobulin, etc. Before the examination, you can ask the doctor whether fasting is required or there are other precautions, so as to avoid problems during the examination and affect the results.
Hemoglobin is a special protein that transports oxygen in red blood cells. It is the protein that makes blood red. Its main function is to transport oxygen and carbon dioxide to help the body complete its metabolism. The increase and decrease of hemoglobin have certain clinical significance. It will lead to iron deficiency anemia, dizziness, fatigue, loss of appetite and other symptoms. At this time, you can take iron-containing drugs under the guidance of a doctor, and pay attention to diet regulation, usually eat more foods with high iron content, such as beef, mutton, animals liver etc. High hemoglobin values may be seen in polycythemia vera, congenital heart disease, etc., and require prompt hospitalization. In addition, when the hemoglobin value is abnormal, pay attention to regular review to monitor the treatment effect, and usually do physical exercise appropriately to enhance the body's resistance.