Loud talking dizziness has the following reasons: 1, considering that people in loud talking with more force, lung capacity is relatively large, which will affect the human body’s breathing, and then cause the lack of oxygen in the human body. Due to the symptoms of lack of oxygen in the lungs, the blood in the brain can appear lack of oxygen performance, still can be manifested as dizziness, serious time in the patient after a long time to speak loudly can also appear headache. 2, loud talking dizziness is still considered to be due to the negative pressure will increase when people speak loudly, which will also have a certain effect on the intracranial pressure. Due to changes in intracranial pressure can lead to abnormal cerebral blood flow, the patient can also appear dizziness. 3, some hypertensive patients due to loud talking or emotional tension, can cause blood pressure rise. After the blood pressure rises, the patient can manifest as dizziness, and in severe cases, head swelling and headache will occur.