AE of Mylanta

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The posted answer to this question from Abrams' contradicts the rational. I found in another source that diarrhea and constipation are listed as adverse effects. ?

[h=3]A patient is started on Mylanta for peptic ulcer disease. It is important for the nurse to inform the patient about which of the following adverse effects?

A. Nausea

B. Vomiting

C. Diarrhea

D. Constipation[/h]ANSWER: D → Calcium- and aluminum-based antacids have the adverse effect of constipation, whereas Mylanta, a magnesium-based antacid, has the adverse effect of diarrhea.

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Specializes in Critical Care, ED, Cath lab, CTPAC,Trauma.

I'm confused...what are you asking?

Mylanta can cause diarrhea in some patients and constipation in others. I have see diarrhea as a more common side effect due to the Magnesium.

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"...contradicts the rationale". Forgive my misspelling; the rationale was after the answer. The Abrams' materials fail in many instances to explain the answers (and wrong answers) to the study questions. You have confirmed and clarified what I read, and it appears that the question and rationale as published are problematic (Answer should be C, and maybe D, but less so, right?).

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Specializes in Critical Care, ED, Cath lab, CTPAC,Trauma.

What is Abrams materials?

Nursing is full of contradictions....all answers may be right however one is most correct.

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Abrams’ Clinical Drug Therapy: Rationales for Nursing Practice

A current Pharm text. Nursing authors are also sometimes wrong.

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Specializes in Critical Care, ED, Cath lab, CTPAC,Trauma.
Abrams’ Clinical Drug Therapy: Rationales for Nursing Practice

A current Pharm text. Nursing authors are also sometimes wrong.

Thank you.

Yes everyone can be wrong.

This is a typical NCLEX style question...one answer is THE MOST correct Due to the high concentration of magnesium, regardless of the aluminum content, will cause diarrhea.

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