A doctor has issued warnings to anyone taking a common medication and the consequences that can arise following long-term use. In the UK, omeprazole, a proton pump inhibitor or PPI, is widely used, available both by prescription and over the counter. According to the most recent NHS stats, 73 million NHS prescriptions for this category of medications (proton pump inhibitors) were issued in England between 2022 and 2023 , making omeprazole one of the most frequently prescribed PPIs. It is used