Also found in: Thesaurus, Medical, Wikipedia.


A histamine receptor antagonist, C13H22N4O3that inhibits gastric acid secretion and is used primarily to treat duodenal ulcers, gastric ulcers, and gastroesophageal reflux disease.

[rani- (blend of (fu)ran ni(tro)-) + -tidine, histamine receptor antagonist suffix (from (cime)tidine).]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ranitidine - a histamine blocker and antacid (trade name Zantac) used to treat peptic ulcers and gastritis and esophageal reflux
histamine blocker - a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2
alkaliser, alkalizer, antacid, antiacid, gastric antacid - an agent that counteracts or neutralizes acidity (especially in the stomach)


n ranitidina
References in periodicals archive ?
Summary: Two zwitterionic stationary phases with largely corroborated capacities were obtained by attachment sulfobetaine monomers (H2C=CHC6H4CH2N+(CH3)2-CH2-SO3-and H2C=CHC6H4CH2N+(CH3)2-(CH2)5-SO3-) onto a PS/DVB particles were investigated for chromatographic separation of ranitidine hydrochloride.
Other home medications may have accentuated hypoglycemia: digoxin and ranitidine by competing with metformin for common renal tubular transport systems and furosemide which may increase metformin plasma levels without altering renal clearance.
Objective: To explore the synergistic potential of ranitidine on prokinetic activity of metoclopramide on isolated duodenal model of rabbit.
A H2 blockers--which include famotidine (Pepcid[R], Pepcid AC[R]), cimetidine (Tagamet[R]), and ranitidine (Zantac[R])--inhibit the action of histamine2, a naturally occurring chemical that signals cells in the lining of the stomach to produce acid.
Researchers reviewed data on 173,321 PPI users and 20,270 users of another class of heartburn medications--histamine-2 receptor antagonists (H2 blockers), such as cimetidine (Tagamet[R]), famotidine (Pepcid[R]), nizatidine (Axid[R]), and ranitidine (Zantac[R])--and followed them for five years.
Ranitidine was the most commonly used Gastro-protective agent, out of 536 cases received GPA, 404 cases were prescribed with ranitidine (75.
17 Tripathi et al also found greater increase in gastric pH with ome- prazole as compared to ranitidine when given in emer- gency caesarian section.
The objective of the open, randomised, four-period crossover study was to compare the time of onset of effect of sodium alginate (SA), omeprazole, ranitidine and control, based on oesophageal and intragastric pH and to determine any correlation between reflux symptoms and episodes in volunteers suffering from occasional gastro-oesophageal reflux.
Ranitidine hydrochloride belongs to a class of medicines called [H.
This year Ohm introduced the popular acid reducer Ranitidine 75 mg and 150 mg to its roster of gastrointestinal products.
During this time, all patients admitted to the burns unit with burn injury requiring fluid resuscitation (>15% total body surface area, [TBSA]) routinely received stress ulcer prophylaxis with ranitidine 150 mg, twice daily, from admission to discharge.
The Cox-trained Lunar Phase has been placed first in a maiden at Windsor in April following a positive test for ranitidine from winner Izzi Top.