What Could Cause Breathlessness, Loss Of Appetite, Itching And Pain On The Back And Right Shoulder?

Hello I have had 13 Dr s and no known diagnosis multiple MRI act scans complete Gastro Stool. EMG multiple blood tests I have 1/2 full breaths have 95 lbs weight loss loss of appetite (now regaining) numbness left pinky ring finger also pinky toe totally itchy feeling on back soreness right shoulder pain. tightening pressure pain below ribs above stomach stabbing pain on hairs of legs I take Trazadone can’t sleep hydroxyzone itching Duloxetine itching