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Hi and thanks for the query.
Vitiligo is a skin condition that is auto immune, viral, oxidative or genetic in nature. Diabetes type I which is an autoimmune disease tends to occur more in people who have vitiligo but it is not the other way round. Type I diabetes is also known as Insulin dependent diabetes mellitus, which starts in the early years of life unlike Type II diabetes which is not autoimmune in nature and occurs in the later years.
So, having high blood sugars does not cause vitiligo nor will controlling your sugar decrease the vitiligo unfortunately. Laser therapy and tattooing, skin grafting, phototherapy, immunosuppressants are some forms of treatment for vitiligo.
You can discuss this in more detail with your Dermatologist.
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