What symptoms can occur due to a blockage in the brain's blood vessels?

Jul 08, 2025 Source: Cainiu Health
Dr. Wang Lei
Introduction
Cerebral vascular occlusion may present symptoms such as hemiplegia, aphasia, headache, ataxia, and impaired consciousness. It is recommended to seek timely medical attention, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. In daily life, preventive measures include controlling hypertension and diabetes, quitting smoking and limiting alcohol consumption, maintaining a healthy diet, and engaging in regular physical activity. Self-medication or delaying medical care should be avoided to prevent worsening of the condition.

Generally, when cerebral blood vessels become blocked, symptoms such as hemiplegia, aphasia, headache, ataxia, and disturbances of consciousness may occur. It is recommended to seek timely medical attention, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. Detailed analysis is as follows:

1. Hemiplegia: Cerebrovascular occlusion can damage the motor nerves, often manifesting as weakness, numbness, or paralysis of limbs on one side of the body.

2. Aphasia: If the blockage affects the language center of the brain, aphasia may occur,表现为 difficulty speaking, disfluent speech, slurred speech, or an inability to understand others' speech.

3. Headache: Headache might be one of the early signs of cerebral vascular occlusion, often presenting as a feeling of pressure, throbbing pain, or persistent severe headache, possibly accompanied by symptoms such as nausea and vomiting.

4. Ataxia: Patients may experience unsteady gait, balance disorders, and uncoordinated movements. In severe cases, walking or standing may become impossible.

5. Disturbance of consciousness: Severe cerebral vascular occlusion can lead to confusion, drowsiness, stupor, or even coma, with a decreased or absent response to external stimuli. This typically occurs due to posterior circulation infarction or large area infarction of the cerebral hemisphere caused by occlusion of major blood vessels or severe stenosis.

In daily life, preventive measures include controlling hypertension, diabetes, quitting smoking, limiting alcohol consumption, maintaining a healthy diet, and engaging in regular physical exercise. Self-medication and delayed medical care should be avoided to prevent worsening of the condition.

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