What causes dizziness, nausea, and blurred vision?
Aug 24, 2022
Source: Cainiu Health
Dr. Zhao Haiming
Introduction
Dizziness, nausea, and blurred vision are commonly caused by conditions such as anemia, insufficient cerebral blood supply, or hypoglycemia. Prolonged anemia—such as hemolytic anemia, iron-deficiency anemia, or megaloblastic anemia—can lead to sudden episodes of dizziness and nausea. This occurs primarily because severe reduction in blood supply results in cerebral hypoxia, thereby triggering acute dizziness and nausea.
When your body encounters certain issues, you may suddenly experience dizziness and nausea. These symptoms serve as a warning signal from your body, warranting prompt attention and vigilance—and timely medical evaluation at a hospital.
What Causes Dizziness, Nausea, and Blurred Vision?
Dizziness, nausea, and blurred vision are commonly caused by conditions such as anemia, insufficient cerebral blood supply, or hypoglycemia. Prolonged anemia—such as hemolytic anemia, iron-deficiency anemia, or megaloblastic anemia—can lead to sudden dizziness and nausea. This occurs primarily because severely reduced blood volume compromises oxygen delivery to the brain, resulting in acute dizziness and nausea. Similarly, inadequate blood flow from the heart to the brain can trigger sudden dizziness and nausea; in severe cases, it may even be associated with cardiac arrest. Functional hypoglycemia can also cause abrupt dizziness and nausea, often accompanied by generalized weakness.
When patients suffer from cerebral arteriosclerosis, the inner diameter of the cerebral arteries gradually narrows, progressively reducing cerebral blood flow. This leads to insufficient oxygen and nutrient delivery to the brain, thereby triggering sudden onset of dizziness, nausea, and other discomforts. In addition to these common symptoms, affected individuals may also experience emotional instability, tinnitus, and insomnia.
We recommend increasing intake of foods such as walnuts, peanuts, fish, and root vegetables (e.g., carrots, beets), which provide enhanced energy and may help alleviate dizziness. We hope this information proves helpful to you.
