Is it likely to have additions diseases if my sister does I been sick my stomach head hurt an nauseous dizzy dark spots on skin Dr wont help say idk?

Addisons. Are you referring to Addisons disease? The inheritance of this is not extremely clear. Could you have it? Yes. Do you have it? It seems you do not. What are your dark spots? Here is some information about this condition. Http://ghr. Nlm. Nih. Gov/condition/autoimmune-addison-disease.