Cervical compression nerve headache and dizziness may be caused by sympathetic or vertebral artery type cervical spondylosis, which can be recovered by wearing a neck brace and using drugs such as ibuprofen. 1. Sympathetic cervical spondylosis: cervical spondylosis caused by degeneration of intervertebral discs and segmental instability and other sympathetic nerve dysfunction, patients may have headaches, dizziness, facial numbness, swelling and other symptoms, can be through the use of ibuprofen and other medications for pain relief, and at the same time, applying vitamin B1 and other medications to nourish the nerves. 2. Vertebral artery-type cervical spondylosis: Vertebral artery-type cervical spondylosis is caused by vertebral artery compression or irritation caused by vertebral joint instability, so that the vertebral-basilar artery blood supply is insufficient for cervical spondylosis, which can cause headache, dizziness, visual impairment, etc., wearing a cervical brace or using anti-inflammatory and analgesic drugs, such as aspirin, can alleviate the symptoms. Patients diagnosed with cervical spondylosis causing headache and dizziness need to follow the doctor’s diagnosis and recommendations for treatment and medication. In addition, central nervous system dysfunction can also cause headaches and dizziness, and patients need to be examined to rule out related causative factors.