When it comes to bacterial infection in the brain, many people know that it is not not a minor problem, and in neurosurgery, it is also common to encounter some patients who undergo some cranial surgery and end up with intracranial bacterial infection, which is more serious. Bacterial infections in the brain can cause more serious damage to the patient’s brain tissue and can even lead to death if left untreated, and patients must pay attention to this. Generally speaking, when a patient has a bacterial infection in the brain, there are some signal warnings issued by the body, so it is important to learn more about it and achieve early detection and treatment. For example, the patient will have a high fever, a pronounced headache and dizziness, and jet vomiting, etc. If the intracranial infection worsens, it can lead to impaired consciousness, convulsions, and even shock and coma. The consequences of bacterial brain infections are quite serious, and once similar symptoms appear, prompt examination and treatment is required. However, due to the existence of a blood-brain barrier in the human skull, in this case, drugs are generally unable to enter, so to treat bacterial infections in the brain or timely surgery.