Omeprazole for cats

Sold as Prilosec. Published reference range, cited. Enter your cat's weight below.

Reference tool, not medical advice. Always confirm with your veterinarian.
Your cat's weight

Published dose range

The published veterinary reference range for omeprazole in cats is 0.5-1 mg per kg of body weight, given every 24h.

Source: Veterinary Partner (VIN) →

Published range by weight

WeightOmeprazole (published range)
6 lb cat1.4-2.7 mg
8 lb cat1.8-3.6 mg
10 lb cat2.3-4.5 mg
12 lb cat2.7-5.4 mg
15 lb cat3.4-6.8 mg

Computed from the published 0.5-1 mg/kg reference range, every 24h. Product strengths rarely split evenly, so round DOWN to the nearest practical dose and confirm with your vet.

Tablet must not be crushed (enteric coating).

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.

See also

Related antacid / GI doses for cats

All 53 medication calculators →
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