Ace the 2025 Ontario Registered Pharmacy Technician (RphT) Test – Your Rx for Success!

Question: 1 / 400

Which of the following drugs is classified as an antidiarrheal medication?

Labetalol

Loperamide

Labetalol is a beta blocker used to treat high blood pressure, and has no effect on diarrhea. Cimetidine is a histamine-blocking drug used for stomach ulcers, and Naproxen is a non-steroidal anti-inflammatory drug (NSAID) used for pain relief. Loperamide, on the other hand, is specifically classified as an antidiarrheal medication. It works by reducing movement and increasing absorption in the intestines, helping to decrease the frequent and watery stools associated with diarrhea. Therefore, B is the correct answer as it is the only option that is classified as an antidiarrheal medication.

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Cimetidine

Naproxen

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