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. 2017 Feb 23;77(5):547–561. doi: 10.1007/s40265-017-0712-6
Based on the available data, the consensus panel determined that OTC PPIs are unlikely to mask the symptoms of esophageal or gastric cancer if used as directed.
OTC PPIs are not likely to affect micronutrient absorption or bone mineral density or cause community-acquired pneumonia, Clostridium difficile infection, or cardiovascular adverse events.
However, using an OTC PPI may increase the risks for infectious diarrhea, certain idiosyncratic reactions, and cirrhosis-related spontaneous bacterial peritonitis.