My father has had type II diabetes for about 15 years. When he was diagnosed, he changed his whole diet. Since then our family has always eaten whole wheats, he avoids sugars and he's done great and was down to an average weight for his size.
However, in the past 6 months, he has lost an excessive amount of weight with no diet change. If anything, he's been eating MORE. He'll eat almost a whole box of triscuits after eating a big dinner.
He travels a lot for work and doesn't go to a specialist for his diabetes because his GP thinks everything is under control. However, my dad is now smaller than he was when he played college football. His waist has never been this small and he's dropped 4 pant sizes. He has less energy than ever and we've just attributed it to all of his international travel, but it still seems odd since he's been traveling like this for years. He doesn't excercise aside from walking through airports.
We finally got him to go the GP (which was a struggle in its own) and they ran blood work which apparently came back completely normal.
Is there any kind of illness that may not show up on blood work that we can look into?
I don't know if there are any other physical symptoms since he's not going to be the first one to talk about this.
Unexplained weight loss is always worrying. He may be holding back on some symptoms and not telling anyone. This of course is his prerogative and you are in a difficult position. Blood tests are only of limited use.
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