Published dose range
The published veterinary reference range for omeprazole in dogs is 0.5-1 mg per kg of body weight, given every 24h.
Source: Veterinary Partner (VIN) →Morning, before food. Short courses only without vet oversight (max ~2 weeks).
Skip it or ask a vet first if
long-term use without vetdrug interactions (clopidogrel)
If you think you overdosed
Call the Pet Poison Helpline: 855-764-7661 or ASPCA Poison Control: 888-426-4435. Both are staffed 24/7 by veterinary toxicologists.