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Leprosy, or Hansen’s disease, is a chronic infectious disease caused by the bacteria Mycobacterium leprae which affects the skin and peripheral nerves. It has throughout the decades been quite a controversial illness as fears over the contagious nature of leprosy has led to sufferers being quarantined in remote areas and hence the term ‘leper colony’.

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Antacids are weak bases that neutralize the gastric acid. It is the mainstay treatment of acid-peptic disorders for long time until the arrival of H2 blockers and proton pump inhibitors. Antacids still continue to be popular nonprescription remedy among patients for the treatment of heartburn and dyspepsia.

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Achlorhydria and hypochlorhydria are medical terms for low or very low volumes or a higher than normal pH of gastric acid.

Achlorhydria may refer to:

  • a problem with the pH of gastric acid. In this case the pH of the gastric acid is too high resulting in it being less acidic or rarely, even slightly alkaline.
  • a lower than normal  volume of the gastric acid.
  • a lower than normal ratio of pepsinogen conversion, a digestive enzyme in the stomach that is eventually converted to pepsin by the gastric acid.

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Gastroenteritis is the inflammation of the stomach and intestines, both small and large, resulting in vomiting and diarrhea. Most cases of gastroenteritis are due to infections, mainly by viruses and bacteria, although there are immune related causes of gastroenteritis like eosinophilic gastroenteritis which is not caused by any microorganism. Gastroenteritis is known by many common names including :

  • Gastro
  • Gastric flu
  • Stomach bug
  • Tummy flu
  • Intestinal flu

Even food poisoning is a type of gastroenteritis that is caused by the toxins of bacteria which is found in food.
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