A member asked:

Zantac (ranitidine) caused me shortness of breath after a few days. will omeprazole do the same?

4 doctors weighed in across 2 answers

Unlikely: Zantac (ranitidine) is an h2 blocker and Omeprazole is a proton pump inhibitor. They are very different chemically and have very different mechanisms of action. The likelihood of this same side effect is very low.

Answered 9/28/2016

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Dr. Budi Bahureksa answered

Specializes in Cardiology

You sure ?: I don't think zantac (ranitidine) caused shortness of breath -- there might be other reason.

Answered 2/1/2014

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