Standing for a long time dizziness sweating black eyes may be due to hypoglycemia, heat stroke, cerebral blood supply caused by insufficient.
1. Hypoglycemia: hypoglycemia will lead to a decrease in plasma glucose concentration in the body, resulting in a lack of energy supply, most often seen in the fasting state of standing for a long time, may cause the patient to appear pale, standing for a long time after dizziness, black eyes, nausea, sweating and other symptoms.
2. Heatstroke: prolonged activity in a hot environment will lead to a rise in body temperature, when the body heat dissipation obstacles may cause heatstroke, which may cause the patient to appear after standing for a long time, dizziness, black eyes, and nausea, as well as sweating and other symptoms.
3. Insufficient cerebral blood supply: most people stand for a long time may lead to blood gathering in the lower limbs, belonging to the state of insufficient cerebral blood supply, can cause dizziness, black eyes, cold sweat and other symptoms.
If the above symptoms are serious, it is recommended to pay attention to them, consult a doctor in time, improve the relevant examination, and exclude the factors of organic diseases.