betazole hydrochloride

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be·ta·zole hy·dro·chlor·ide

(bā'tă-zōl hī'drō-klōr'īd),
An analogue of histamine that stimulates gastric secretion by an action on H2 receptors with less tendency to produce the side effects seen with histamine; used, in place of histamine, to measure the gastric secretory response.

betazole hydrochloride

(bā′tă-zōl)
An isomer of histamine used intramuscularly to stimulate gastric secretion. It is contraindicated in those with atopic allergy.
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This competitive inhibition results in reduced basal and nocturnal gastric acid secretion and a reduction in gastric volume, acidity, and amount of gastric acid released in response to stimuli including food, caffeine, insulin, betazole, or pentagastrin.
(36) In adults, hypnotherapy has been shown to be able to alter a number of physiological mechanisms; for example, suggestion of relaxation in hypnosis has resulted in a significant reduction of unstimulated as well as betazole stimulated acid secretion (betazole is a histamine H2 agonist used clinically to test gastric secretory function), and a decrease in gastric motility.
Gastric stimulation with histamine, its analog (betazole, histalog), or a synthetic gastrin (pentagastrin)--currently the stimulus of choice--may be administered subcutaneously, intramuscularly, or by intravenous infusion.