Hi welcome to the health care magic The cause for your dizziness should be evaluated through detail clinical history, physical examination and Otoscopy ear examination Dizziness could be from anemia, positional vertigo, ear affection like Labyrinthitis, blood pressure fluctuation, hypoglycemia, beriberi like vitamin deficiency, viral flu etc..... Your HB estimation, RBS estimation, blood pressure measurement, CBC etc like investigation done according to examination and cause suspected For your problem beta histine might prescribed According to cause specific treatment given Meanwhile avoid quick position change, avoid stress and smoking and if needed physiotherapy exercise will be beneficial If no specific cause found than MRI needs to be done as final work up along with neurological examination Hope your concern solved Consult physician for examination with keeping all these in mind Take care