Taking common heartburn medication increases the risk of developing type 2 diabetes by a quarter, warns a study. Routinely popping the drugs, also known as proton pump inhibitors (PPIs), increases the chances of developing Type 2 diabetes by 25 per cent, according to research. PPIs like Omeprazole have previously been linked to nasty side effects, including bone fractures, chronic kidney disease, gut infections and stomach cancer. People taking PPIs for more than two years should have their