Gastrointestinal Drugs and Medications Q 25

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A geriatric patient is prescribed with cimetidine (Tagamet) for the treatment of heartburn. Which of the following is the most frequent CNS side effect of the medication?

  

     A. Agitation

     B. Drowsiness

     C. Headache

     D. Somnolence

    

    

Correct Answer: A. Agitation

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Cimetidine an H2-receptor antagonist passes the blood-brain barrier, and central nervous system side effects can happen. The most common serious side effects are confusion, agitation, depression, and disorientation.

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Options B, C, & D: These are the less common side effects of cimetidine.

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