Hello dear, Considering the fact that you have a family history of Spherocytosis, the symptom of dizziness as mentioned in your post can be attributed to anemia (most probably haemolytic anemia due to destruction of red blood cells). Investigations like complete blood count and peripheral blood smear will be helpful in clinching the diagnosis. Other causes can be: 1. Pathology in the Vestibular Apparatus in inner ear (it is associated with maintenance of body posture & balance) most probably Labyrinthitis or Benign Paroxysmal Positional Vertigo 2. Electrolyte imbalance in the body 3. Fluctuation in blood pressure or blood sugar levels, etc. So, kindly consult your Physician/ ENT Specialist & get a complete clinical examination done. Investigations like estimation of serum electrolytes, blood sugar level & vestibular function tests will be required to rule out any pathological cause for the symptoms. There is no need to worry, you will be fine. Till then, maintain adequate hydration & proper nutrition status and avoid stress. Also take precautions like getting up from bed slowly & avoid sudden head movements. Wishing you a Good Health. Take care.