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Pharmacology

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GIT

Question
18 out of 53
 

A patient who must take verapamil for hypertension and angina has become severely constipated. Which of the following drugs would be most suitable as a cathartic? (LQ)



A Aluminum hydroxide
B Diphenoxylate

C Magnesium hydroxide
D Metoclopramide

E Mineral oil

Ans. C Magnesium hydroxide

A cathartic that mildly stimulates the gut would be most suitable in a patient taking a smooth muscle relaxant drug such as verapamil. Magnesium hydroxide, by holding water in the intestine, provides additional bulk and stimulates increased contractions.

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