Overfeeding is the number-one cause of high nitrate levels in aquariums. Overfed fish produce much more waste than normal, and when more food is given than they can take in, the uneaten food rots and produces even more wastes. Keeping too many fish in a tank also leads to problems with accumulated wastes.
Symptoms Caused By Esophageal Ulcer. One classic symptom is a dull or burning pain. It is common with all forms of peptic ulcers. The affected person may feel the pain radiating within the areas starting from the navel up to the breastbone.
â¢ Acid-reduction medications as well as foods that shield stomach acid may result in temporary alleviation of pain. Besides pain, ulcers in women may sometimes show the following signs and symptoms: â¢ Nausea and/or vomiting. â¢ The presence of blood in stools which gives the feces a dark or tar-like color. â¢ Changes or loss of appetite.