Calcium carbonate for dogs

Sold as Tums. Published reference range, cited. Enter your dog's weight below.

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

Published dose range

Published guidance for dogs: small dog: 250-500 mg; medium: 500-750 mg; large: 750-1250 mg, every 8-12h, short-term.

Source: Veterinary Partner (VIN) →
Occasional heartburn only. Fruit-flavored versions fine; check label for xylitol in sugar-free lines.

Skip it or ask a vet first if

xylitol-sweetened versionskidney diseasewith tetracyclines

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.

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