The FDA has recommended that co-administration of omeprazole and other potent CYP2C19 inhibitors, including esomeprazole, be avoided in patients taking ...
These other agents include cimetidine (Tagamet and Tagamet HB, GlaxoSmithKline), esomeprazole (Nexium, AstraZeneca), fluconazole (Diflucan, Pfizer), ...