Dizziness caused by cervical spondylosis insufficient cerebral blood supply can take muscle relaxation drugs, vasodilating drugs to relieve the symptoms, drug treatment is ineffective when recommended surgical treatment. Dizziness caused by insufficient cerebral blood supply in cervical spondylosis may be caused by long-term tension in the neck muscles, resulting in structural changes in the cervical spine and compression of the vertebral artery. You can take drugs to promote muscle relaxation, such as Eperisone, Chlorzoxazone and other drugs to improve the neck muscle tension and stiffness. At the same time, you can also take vasodilating drugs such as flunarizine, nimodipine and other drugs to relieve dizziness symptoms. Due to individual differences, the drug does not have the absolute most effective, need to follow the doctor’s instructions to standardize the use of adverse reactions to timely consultation, drug allergy is prohibited. If the effect of drug treatment is not good, you can go through surgery to treat the disease.