Toxicity level
MildModerateSevere
- Usually low-risk in small amounts
- Varies
- Affects: Gut / minerals
Did you know? A tablet is usually low-risk, but don't self-treat — some interact with other medicines.
Verdict
Feed only in moderation
Safe amount
Vet guidance only; avoid any with xylitol
Species
🐶 Dogs
Why this verdict for dogs
Plain calcium-carbonate antacids (like Tums) are sometimes used for dogs under vet advice, but some contain xylitol and they can interfere with other medicines. Ask your vet.
🍽️ Feeding it safely?
Frequently asked questions
Can dogs eat antacids (tums)?
In moderation. Plain calcium-carbonate antacids (like Tums) are sometimes used for dogs under vet advice, but some contain xylitol and they can interfere with other medicines. Ask your vet.
How much antacids (tums) can dogs have?
Recommended: Vet guidance only; avoid any with xylitol. When in doubt, ask your vet.
Is antacids (tums) safe for cats too?
Verdicts can differ between species. See the cat answer for antacids (tums) →
More medications for dogs
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated June 22, 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List
CanMyPet provides general information reviewed against trusted sources (ASPCA, AKC, Pet Poison Helpline). It is not a substitute for professional veterinary advice. When in doubt, always contact your veterinarian.