Ranitidine operates through a mechanism of action that involves inhibiting the histamine H2 receptors, which are found on the surface of stomach cells. As a competitive antagonist, ranitidine selectively blocks these receptors, specifically those of the parietal cells in the gastric mucosa. By doing so, ranitidine curtails the binding of histamine to these receptors, which would otherwise stimulate the secretion of gastric acid. The reduction in histamine-mediated stimulation results in decreased gastric acid production, leading to lower acidity levels in the stomach. This acid-suppressing effect is particularly beneficial in the treatment and prevention of peptic ulcers, reflux, heartburn, Zollinger-Ellison Syndrome, and scleroderma esophagitis. By moderating acid secretion, ranitidine alleviates symptoms associated with various gastrointestinal conditions and supports the healing of ulcers.
B. Pharm
B. Pharm, MSc.
Frequently asked questions
This medication starts showing its effects within a few hours after consumption.
Avoid usage if you experience an allergic reaction (hypersensitivity) to Ranitidine. It is advisable to seek advice from a doctor promptly.
Do not stop taking this medication without consulting your doctor, even if you feel healthy.
Consult your doctor before taking this medication if you have kidney or liver issues to ensure its safety and proper dosage.
This medication does not affect contraception.
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