Generally, however, there is loss of appetite, heartburn, nervous dyspepsia, constipation, or diarrhea, abdominal distention, headache, vertigo, emaciation, and loss of sleep.
en.wikipedia.org Often the pressure is in the fundus of the stomach, esophagus or distention of the bowel.
en.wikipedia.org Clinical signs associated with infection are nonspecific and may include appetite loss, uncoordinated swimming, lethargy, coelomic distention, darkening skin color, petechiae, fin erosion, and death.
en.wikipedia.org Pain with urination may suggest urethritis, cystitis, or prostatitis, whereas pain with bladder distention usually indicates cystitis.
en.wikipedia.org Examination of the jugular veins may reveal elevated pressure (jugular venous distention).
en.wikipedia.org