A burst of pain on the right side of the head may be caused by migraine, cold and flu, cervical spondylosis, right-sided cranial occupation, cerebral hemorrhage and other reasons. 1. Migraine: If you are under too much pressure for a long time or in a state of fatigue, tension or anxiety for a long time, which leads to a decrease in the quality of sleep or lack of sleep, the local blood circulation will slow down, and then the symptom of pain in the right side of the head may appear. 2. Cold and flu: If you are in a cold environment for a long time or do not take warm measures when you go out, the right side of your brain will get cold and cause cold and flu, and you may have the symptom of pain in the right side of your head. 3. Cervical spondylosis: when suffering from cervical spondylosis, the cervical spine will have degenerative changes or abnormal proliferation, if the cervical spine compresses the right side of the nerves or blood vessels, so that the right side of the brain is in the state of ischemia and hypoxia, which will be manifested as the symptoms of pain in the right side of the head for a while. 4. Right side of the skull and brain occupation: if there is an occupying tumor in the right side of the skull, if it presses the local peripheral nerve tissues, it may cause the symptom of pain in the right side of the head. 5. Cerebral hemorrhage: when the brain has lesions, the blood flow of cerebral blood vessels may be abnormal, and the blood will stimulate the local nerve tissues of the brain for a long time, which will lead to the symptom of throbbing pain on the right side of the head. Because of the many causes of pain on the right side of the head, it is recommended to go to the hospital in time for examination and diagnosis, and after clarifying the cause of the disease, carry out targeted treatment as soon as possible.