My husband is a diabetic, testing sugar by his fingers four times a day. He tests only 3 fingers, not the others because he has problems with motor coordination. His handwriting looks like chicken scratch, really. But after pricking his 3 fingers for several years, he has developed horrible pains in those three fingers. He was referred by his endocrinologist to a rheumatologist. His diabetes doctor didn't think his pain was from pricking his fingers, but in my mind there is no other conclusion. I wasn't there when he spoke to her, so don't know exactly what was said. But then he saw the rheumatologist who diagnosed him with Dupuytren. However, from looking up about Dupuytren, I see in the description that the fingers are usually bent. His fingers are not bent, just always in horrible pain. He didn't tell the rheumatologist that those are the only 3 fingers he pricks every day. I guess I need to speak to the doctor or his nurse, but this doctor doesn't have a real good reputation on the internet. So I doubt I'll get a good answer.