Migraine when urinating refers to the symptom of migraine when urinating, which may be caused by primary migraine, high blood pressure, and occupational lesions in the brain. 1. Primary migraine: If you suffer from migraine, the exertion during urination or the urination movement itself can cause headache attacks, which will be manifested as migraine when you relieve your hands. 2. High blood pressure: If the blood pressure is too high, when urinating too hard, reflexively cause the intracranial pressure to increase, will also be a small hand migraine. 3. Occupational lesions in the brain: such as hematoma in the brain, brain tumor, etc.. Due to the increase in intracranial pressure, migraine can be caused when urinating hard. As soon as you relieve your hands, it is recommended that you go to a regular hospital as soon as possible for consultation and examination, and once you are diagnosed with a disease factor, you will need to undergo early treatment.