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.
Esophagus ulcers typically take a long time to heal. Most patients need to take prescription medications to reduce acid production for four to 12 weeks to allow the esophagus to mend. Even a small amount of acid that backs up into the esophagus can delay the healing process and cause recurring ulcers.astric reflux disease is a common cause of an ulcer in the esophagus. An esophagus ulcer is an open sore on the lining of the esophagus around the area where it connects to the stomach.