Proton pump inhibitors (PPIs e.g. Nexium® & Pariet®) and histamine-2 (H2) antagonists (H2RAs e.g. Zantac®) are frequently used for the treatment of stomach acid‐related disorders. E.g. peptic ulcer, GORD (gastro‐oesophageal reflux disease) and as prevention and or treatment of NSAIDs’ upper GI adverse effects.…