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A 22-year-old male asked:

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

2 doctor answers4 doctors weighed in
Dr. Raymond Blair
Family Medicine 18 years experience
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.
Dr. Budi Bahureksa
Cardiology 32 years experience
You sure ?: I don't think zantac (ranitidine) caused shortness of breath -- there might be other reason.

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