Decreased specific gravity ( hyposthenuria, i . e . decreased concentration of solutes in urine ) may be associated with renal failure, pyelonephritis, diabetes insipidus, acute tubular necrosis, interstitial nephritis, and excessive fluid intake ( e . g ., psychogenic polydipsia ).
12.
Karras more generally notes that symptoms of poisoning include " burning of the mouth, dysphagia, nausea, hematemesis, gross hematuria, and dysuria, " that acute tubular necrosis and glomerular destruction can result in renal dysfunction, and that erosion and hemorrhaging of the mucosa can be seen in the upper gastrointestinal tract ( GI tract ).