Got off omeprazole cold turkey for3 days after being on them for 3 month's then got back on them is it bad to do that?

No.: Omeprazole is the generic equivalent of Prilosec, the first oral acid-reducer agent of the proton pump inhibitor (ppi) class of drugs. Do you have particular concerns causing you to question its long-term or even short-term use? Every drug has pros & cons--please refer to other HealthTap answers regarding this class of agents for further information.