tell your doctor and pharmacist if you are allergic to omeprazole, dexlansoprazole (Dexilant), esomeprazole (Nexium), lansoprazole (Prevacid), pantoprazole (Protonix), rabeprazole (Aciphex), any other medications, or any of the ingredients in the omeprazole product you will be taking. Ask your pharmacist or check the package label for a list of the ingredients.
Some medications should not be taken with omeprazole. Other medications may cause dosing changes or extra monitoring when taken with omeprazole. Make sure you have discussed any medications you are currently taking or plan to take before starting omeprazole with your doctor and pharmacist. Before starting, stopping, or changing any medications while taking omeprazole, please get the advice of your doctor or pharmacist.