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Is double diabetes the same as type 3 diabetes?

What is double diabetes? Is it some sort of hybrid? I am 40 and my doctor says it can be very difficult to treat.
Double diabetes is the term often given for the condition when a person with Type 1Diabetes Mellitus (DM) develops insulin resistance, usually from obesity, and in effect has Type 1 DM complicated by Type 2 DM. There is no set definition of Type 3 diabetes and this term has been used to describe various different conditions including "double diabetes", gestational diabetes (DM related to pregnancy), and general insulin resistance. You should speak to your primary care physician and endocrinologist to discuss your specific situation and management options. Diabetes Mellitus is a condition in which glucose is not metabolized correctly and results in hyperglycemia (high blood sugar levels). There are two main types - Type 1 and Type 2. Type 1 DM is due to destruction of the cells in your pancreas that produce insulin, resulting in an absolute insulin deficiency. This is most commonly autoimmune in nature. It is usually diagnosed in childhood, but these is also an adult onset variety of Type 1 DM. Type 2 DM is the most common form of diabetes and is due to a combination of both insulin deficiency and insulin resistance (when your body needs more insulin to have the same effect on blood glucose levels.) Insulin is a hormone made by the pancreatic beta cells and is essential in the metabolism of glucose. Without insulin, glucose cannot be used by the body and builds up in the blood. Type 2 DM is highly related to excess weight and obesity. Thus, the term "double diabetes" often refers to patients with Type 1 DM who then develop insulin resistance or Type 2 DM. Treatment many be more difficult, but will likely involve insulin supplementation as well as diet and lifestyle changes. Oral hypoglycemics may also be considered. You should speak with your endocrinologist regarding your diagnosis and possible treatment options.
This answer is for general informational purposes only and is not a substitute for professional medical advice.
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