Frequent headaches on the right side of the skull may be caused by elevated blood pressure. In addition, chronic cervical spondylosis or trauma to the brain can also cause similar symptoms. If the patient has chronic hypertension and the condition is poorly controlled, or if the patient is emotionally agitated, the blood pressure may rise, causing vasoconstriction, which can lead to pain in the head. Long-term cervical spondylosis, because the protruding discs can compress the vertebral artery and the surrounding nerve roots, which can cause narrowing of the vertebral artery and nerve damage, resulting in abnormal sensations in the head and causing painful symptoms. If the patient’s brain is hit by trauma, it will cause bruising formation which will cause local compression and also lead to a slight increase in intracranial pressure and even cerebral edema, which may cause headache symptoms if left untreated for a long time.