Finding bruises all over my rib cage my back & legs. no appetite for 4 days and no bowel movements. nausea pain in joints feeling unwell. advice?

You may have a: serious condition involving an autoimmune disease called TTP (thrombotic thrombocytopenic purpura) or HUS (hemolytic uremic syndrome), both of which could cause these bruises in the middle trunk and/or lower extremities. Please proceed to the nearest emergency room facility to be checked out properly. Do not wait do it now. Thanks for trusting in HealthTap.