... fever, weight loss. Hip pain, joint pain, weakness, numbness, tingling; morning stiffness, night pain, bone pain, abdominal pain, leg pain. Difficult urination, incontinence of bladder or bowel, ... edema (heart failure). Labs: Sodium, potassium, BUN, creatinine, uric acid. Urine and serum osmolality, UA, urine creatinine. Ultrasound of bladder and kidneys. Clinical Findings in Pre-renal, ... presents with joint pain and rash for 2 weeks. History of the Present Illness: Joint pain, fatigue, malaise, weight loss, fever, skin rashes; swelling of upper and lower extremities, morning joint...