For my loins are filled with a loathsome disease: and there is no soundness in my flesh. For my loins are filled with a loathsome disease - Or rather, a burning; נקלה nikleh, from קלה kalah, to fry, scorch, etc., hence נקלה nikleh, a burning, or strongly feverish disease.
There is no soundness in my flesh - All without and all within bears evidence that the whole of my solids and fluids are corrupt.