My dog chewed on a little plastic , now he plastic is out through his anus but that has now caused inflammation in stomach and intensities and also fluid to build up in intensities, he is being given infection and glucose drips doses . He keeps popping something reddish brown mucusy type fluid in little drops , is that his infected fluid in the intestines? It smells really bad too , his body temperature is good but he is now either lazy or like in pain!