There are many reasons for the black blood, such as caused by a long time without water, need to be properly hydrated; caused by blood viscosity according to the test results to adjust, high blood fat patients to eat lipid-lowering drugs, etc.; caused by lack of oxygen according to the cause of the use of medication or oxygen inhalation to adjust.
Black blood is not really black, but the blood is dark red and looks like black. The following reasons can cause the blood to be dark red.
1. When the blood is drawn in the morning after a long period of time without water, the blood may be dark red, in which case you only need to drink water.
2. Patients with high blood viscosity have dark red blood, such as patients with hyperlipidemia and hyperglycemia, etc. Medications are given to improve the color of the blood according to the specific cause.
3. Chronic hypoxia patients will also show dark red blood, such as chronic obstructive pulmonary disease, heart disease patients and other patients with long-term hypoxia, there will be dark red blood, this kind of patients are more difficult to improve the symptoms, need to be long-term according to the doctor’s instructions to take medication.
If you find that the blood is dark, it is recommended to go to the hospital in time, clear cause for targeted treatment, so as not to delay the condition.