Rarely, people with diabetes erupt in blisters. Diabetic blisters can occur on the backs of fingers, hands, toes, feet and sometimes on legs or forearms. These sores look like burn blisters and often occur in people who have diabetic neuropathy. They are sometimes large, but they are painless and have no redness around them. They heal by themselves, usually without scars, in about three weeks. The only treatment is to bring blood sugar levels under control.
The WHO estimates that diabetes mellitus resulted in 1.5 million deaths in 2012, making it the 8th leading cause of death.[9][101] However another 2.2 million deaths worldwide were attributable to high blood glucose and the increased risks of cardiovascular disease and other associated complications (e.g. kidney failure), which often lead to premature death and are often listed as the underlying cause on death certificates rather than diabetes.[101][104] For example, in 2014, the International Diabetes Federation (IDF) estimated that diabetes resulted in 4.9 million deaths worldwide,[19] using modeling to estimate the total number of deaths that could be directly or indirectly attributed to diabetes.[20]
Type 2 diabetes is the most common form of diabetes, and unlike type 1 diabetes, it usually occurs in people over the age of 40, especially those who are overweight. Type 2 diabetes is caused by insulin resistance, which means that the hormone insulin is being released, but a person doesn’t respond to it appropriately. Type 2 diabetes is a metabolic disorder that’s caused by high blood sugar. The body can keep up for a period of time by producing more insulin, but over time the insulin receptor sites burn out. Eventually, diabetes can affect nearly every system in the body, impacting your energy, digestion, weight, sleep, vision and more. (5)
"There have been cases where patients were treated with insulin for years until they discovered it was a rare genetic variant" of MODY, Roep told Live Science. Those people are no longer diagnosed as having type 1 diabetes, and they may be able to manage their blood sugar levels with either oral drugs or diet and exercise changes, "but that would not be the same as being cured," Roep said.  

Type 2 DM is characterized by insulin resistance, which may be combined with relatively reduced insulin secretion.[11] The defective responsiveness of body tissues to insulin is believed to involve the insulin receptor. However, the specific defects are not known. Diabetes mellitus cases due to a known defect are classified separately. Type 2 DM is the most common type of diabetes mellitus.[2]
Per the WHO, people with fasting glucose levels from 6.1 to 6.9 mmol/l (110 to 125 mg/dl) are considered to have impaired fasting glucose.[67] people with plasma glucose at or above 7.8 mmol/l (140 mg/dl), but not over 11.1 mmol/l (200 mg/dl), two hours after a 75 gram oral glucose load are considered to have impaired glucose tolerance. Of these two prediabetic states, the latter in particular is a major risk factor for progression to full-blown diabetes mellitus, as well as cardiovascular disease.[68] The American Diabetes Association (ADA) since 2003 uses a slightly different range for impaired fasting glucose of 5.6 to 6.9 mmol/l (100 to 125 mg/dl).[69]
Chronic pain creates several vicious cycles. For one, people tend to tense their muscles in response to pain, which often makes the pain worse. Pain also leads people to stop moving, which leads to increasing stiffness and more pain. Pain can interfere with sleep, and restless nights can increase pain. Pain also can contribute to depression and painful emotions such as anger, grief, fear, and frustration, which in turn contribute to pain.
Several other signs and symptoms can mark the onset of diabetes although they are not specific to the disease. In addition to the known ones above, they include blurred vision, headache, fatigue, slow healing of cuts, and itchy skin. Prolonged high blood glucose can cause glucose absorption in the lens of the eye, which leads to changes in its shape, resulting in vision changes. Long-term vision loss can also be caused by diabetic retinopathy. A number of skin rashes that can occur in diabetes are collectively known as diabetic dermadromes.[23]

If possible, find a pain center that your insurance will pay for. Pain centers should combine physical, mental, and medical approaches and provide support from both professionals and other people living with pain. Some have brief residential programs followed by outpatient services. Most are entirely outpatient, and appointments are scheduled for several times a week at first, until a person’s pain is controlled adequately. A pain center may provide physical therapy, counseling, medication, self-management training, and more.
How does high blood sugar (hyperglycemia) feel? To maintain the right amount of blood sugar, the body needs insulin, a hormone that delivers this sugar to the cells. When insulin is lacking, blood sugar builds up. We describe symptoms of high blood sugar, including fatigue, weight loss, and frequent urination. Learn who is at risk and when to see a doctor here. Read now