Head swelling and buzzing in the ears may be due to elevated blood pressure, Meniere’s syndrome, cerebrovascular disease, and low blood pressure or malnutrition. 1. Increased blood pressure: Patients may experience head swelling and buzzing in the ears. 2. Meniere’s Syndrome: Also known as Meniere’s disease, this is caused by fluid in the membranous labyrinth, resulting in tinnitus, swelling of the head, and hearing loss. 3. Cerebrovascular disease: If the blood vessels in the brain are blocked or there is a space-occupying lesion in the brain, the symptoms of head swelling and buzzing in the ears may also occur. 4. Other causes: sometimes low blood pressure, malnutrition, which leads to the patient’s physical weakness, may also appear head swelling and buzzing in the ears. It is recommended that if the symptoms persist, the patient should seek medical attention as soon as possible for blood pressure and blood tests in order to clearly identify the cause of the disease, and then be given corresponding treatment under the guidance of a professional doctor to avoid delaying the condition.