question: Im having lower back/side pain. History of kidney stones and on blood thinners. Recent stroke patient x 3. Area of kidney...urine in morning dark yellow or brownish. No pain when urinating, but sometimes slow start and weak stream. Diabetic, controlled with oral medications. No new medications. No change in diet..meat and potatoes mainly. Bi-lateral rotator shoulder surgery.Previous history with kidney stone 8.5 mm laser blasted, stint for three weeks and then removed.