For many horses, the pattern with squamous ulcers (which means the top part of the stomach - glandular ulcers is the bottom part) looks deceptively simple: the horse scopes with ulcers, the vet prescribes omeprazole, the ulcers heal, the horse looks better… and then, a few weeks after stopping the drug, the symptoms creep back. Owners often feel like they’re doing something wrong that is preventing ulcer recovery, but the truth is that this cycle is built into the biology of