The Global Omeprazole Market Size was worth around USD 3.35 Billion in 2024 and is predicted to grow to around USD 5.64 Billion by 2035 with a compound annual growth rate (CAGR) of 4.85% from 2025 to 2035. The market for omeprazole is expanding as the prevalence of gastrointestinal diseases increases, and populations are aging and becoming increasingly over-the-counter oriented. Growing healthcare access in developing economies also spurs demand for this cheap yet effective therapy for the such as GERD and ulcers.