High doses of cimetidine (over 5 g/day) can cause reversible impotence or gynecomastia.
Cimetidine is a gastric acid reducer used in the short-term treatment of duodenal and gastric ulcers. Therefore, the drug effectively manages gastric hypersecretion and is used to manage reflux esophagitis disease and prevent stress-related gastric ulcers.
With the development of proton pump inhibitors, such as omeprazole, approved for the same indications, cimetidine is available as an over-the-counter formulation to prevent heartburn or acid indigestion, along with the other H2-receptor antagonists.
Cimetidine is available as an oral tablet and solution. The drug can also be administered parenterally as an intravenous (IV) injection. The recommended dosage of cimetidine for the pediatric patient is 20 to 40 mg/kg/day administered in divided doses every 6 hours (5 to 10 mg for neonates and 10 to 20 mg for infants; both are divided every 6 to 8 hours also).
Learn more about cimetidine here: https://brainly.com/question/28198515
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