 [ Symptoms ] can you lose weight and have diarrhea while having an ovarian cyst  my mom went to the er last night with sharp pains in her lower abdomen they did urine and blood test which came back normal they also did a ct scan and found a cyst on one of her ovaries she also sometimes gets to where her hands shake from nervesand her legs hurt at night over the past year she has lost lots of weight and drinks lots of soft drinks which makes the diarrhea worse and sometimes loses her appetite it comes and goes she again also sometimes suffers with yellowish lose stool [ Disease ] in my opinion this is caused mainly by the side effects of psychiatric medications and he could be suffering bacterial infection causing the bad smell sweat