-. Timothy H. Ogilvie ease does occur, the main complaints include polyuria, polydipsia, polyphagia, weight loss, and a strange sweet odor to the urine. is poor performance and after other conditions involving the musculoskeletal, respira- tory, and cardiac systems have been ruled out. not a true diabetes mellitus. Diabetes mellitus correctly refers to only those cases of hyperglycemia resulting from pancreatic islet pcell deficiency, leading to a decrease or absence of insulin secretion.