Dizziness from hunger is usually due to the following factors: 1. Excessive hunger leads to a transient hypoglycemic reaction, which usually occurs when blood sugar is lower than 3.9 mmol/L. If glucose is not replenished in time, hypoglycemic coma will also occur. Dizziness caused by excessive hunger is usually a symptom of hypoglycemia, at this time, you should quickly replenish simple sugar, such as drinks containing more sugar, fruit sugar, etc., which can quickly replenish the low blood sugar in the body and correct the clinical symptoms of dizziness. 2. If dizziness caused by excessive hunger is a kind of hypotensive reaction, you can apply blood pressure-raising drugs to raise blood pressure and relieve the symptoms, such as drinking raw pulse drink, etc. 3. The dizziness and blurred vision caused by excessive hunger is a kind of ischemic change, you can take compound salvia tablets, ginkgo biloba, etc. to relieve the symptoms of transient cardiovascular and cerebrovascular blood supply deficiency, which can also improve the clinical manifestation of dizziness and blurred vision.