Before there is dizziness tinnitus, what causes it?

Dizziness, tinnitus is generally caused by long-term brain tissue oxygen deficiency, more common in patients with cervical spondylosis, cerebral infarction. Secondly, if the patient has kidney deficiency, qi and blood deficiency and other diseases, there will also be such a situation. You had better go to the hospital to do head ct, X-ray, blood routine examination, clear diagnosis.