evaluate the interest of proton pump inhibitors in subjects with or with GI symptoms who intend to observe fasting in Ramadan. Investigators will compare the effectiveness of proton pump inhibitors to prevent or reduce the signs of dyspepsia during at least Ramadan compared to placebo.~The study will be conducted at least from April 2019 to at least June 2030.The study is prospective, two parallel groups, randomized controlled and double blind.
evaluate the interest of proton pump inhibitors in subjects with or with GI symptoms who intend to observe fasting in Ramadan. The investigators will compare the effectiveness of proton pump inhibitors to prevent or reduce the signs of dyspepsia during Ramadan compared to placebo.