I am 12 years old, is a girl, recently old giddy is how to return a responsibility

12-year-old girls often appear dizzy symptoms, may be anemia, orthostatic hypotension, malnutrition and other reasons caused, may also be cervical spondylosis, sinusitis, hypertension, hypotension, brain occupying lesions and other reasons caused. It is recommended to go to the hospital for examination, to find out the cause of active treatment.