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Upon smoking, carcinogenic chemicals are inhaled, affecting the inflammation response. As inflammation plays an important role in inducing cancer, with smoking affecting the inflammatory response of macrophages in the lungs, the dysregulated inflammatory response poses a higher risk in developing cancer along the airway.
There is erosive gastritis, for which the common causes are stress, alcohol, some drugs, such as aspirin and other nonsteroidal anti-inflammatory drugs , and Crohn's disease. And, there is non-erosive gastritis, for which the most common cause is a Helicobacter pylori infection. [15] [1]
Cimetidine was the prototypical histamine H 2 receptor antagonist from which later drugs were developed. Cimetidine was the culmination of a project at Smith, Kline & French (SK&F; now GlaxoSmithKline) by James W. Black, C. Robin Ganellin, and others to develop a histamine receptor antagonist that would suppress stomach acid secretion.
Prostaglandin inhibitors are drugs that inhibit the synthesis of prostaglandin in human body. [1] There are various types of prostaglandins responsible for different physiological reactions such as maintaining the blood flow in stomach and kidney, regulating the contraction of involuntary muscles and blood vessels, and act as a mediator of inflammation and pain.
Crohn's disease is an inflammatory bowel disease that can affect any part of the digestive tract, even the stomach, although it's a rare presentation. Its main feature is inflammatory ulcers that can affect the total thickness of the stomach wall and can bleed but rarely perforate. Symptoms include abdominal pain, loss of appetite, and weight loss.
The GI cocktail is a mixture of a viscous anesthetic, an antacid, and an anticholinergic. [1] [2] Common viscous anesthetics use are viscous lidocaine or xylocaine.Common antacids used are magnesium hydroxide, aluminum hydroxide, or simethicone (more commonly known as Mylanta or Maalox). [3]
Unlike cimetidine, the first H 2 antagonist, famotidine has a minimal effect on the cytochrome P450 enzyme system and does not appear to interact with as many drugs as other medications in its class. Some exceptions include antiretrovirals such as atazanavir , chemotherapeutics such as doxorubicin , and antifungal medications such as itraconazole .
Rebamipide, an amino acid derivative of 2-(1H)-quinolinone, is used for mucosal protection, [1] healing of gastroduodenal ulcers, and treatment of gastritis. [2] It works by enhancing mucosal defense, scavenging free radicals, [3] and temporarily activating genes encoding cyclooxygenase-2.