Roxatidine
Roxatidine is a pharmacological agent that belongs to the class of H2 receptor antagonists, which are used primarily to treat peptic ulcers, gastroesophageal reflux disease (GERD), and conditions where reduction of gastric acid secretion is required.
Mechanism of Action[edit | edit source]
Roxatidine works by selectively blocking histamine H2 receptors on the parietal cells of the stomach, leading to a decrease in gastric acid secretion. This action helps in the healing of ulcers and reduction of acid reflux symptoms.
Pharmacokinetics[edit | edit source]
The absorption of roxatidine is quick and efficient after oral administration. It undergoes minimal metabolism in the liver, with the majority of the drug excreted unchanged in the urine. This pharmacokinetic profile makes it suitable for patients with varying degrees of hepatic function.
Clinical Uses[edit | edit source]
Roxatidine is primarily used for:
- Treatment of peptic ulcer disease
- Management of gastroesophageal reflux disease (GERD)
- Conditions requiring a reduction in acid secretion
Side Effects[edit | edit source]
Common side effects of roxatidine include:
- Headache
- Dizziness
- Gastrointestinal disturbances such as nausea and constipation
Comparison with Other H2 Antagonists[edit | edit source]
Roxatidine is similar in efficacy to other H2 receptor antagonists like ranitidine and famotidine, but it may offer advantages in terms of fewer drug interactions and a slightly different side effect profile.
Regulatory Status[edit | edit source]
The availability and approval of roxatidine can vary by country, with some regions having discontinued its use while others continue to prescribe it under various brand names.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD