Can Cats Eat Salt?
No — salt is toxic to cats too, and the effect appears faster in their small bodies. Salty human foods, brined products, and play dough should be kept out of reach.
Last reviewed: July 25, 2026
Why is it dangerous?
A cat is small, so an amount that would not trouble a dog can noticeably raise blood sodium. The result is intense thirst, vomiting, lethargy, and in severe cases tremors and seizures. Because cats tend to drink little, the picture worsens more easily.
Household sources: brined cheese and olives, the salty liquid in canned fish, processed meats, chips, stock cubes, and play dough. Cat foods are already balanced for sodium; no extra salt is needed.
What to do if your cat ate something salty
Keep fresh water available, do not force drinking, and call your veterinarian. If you see vomiting, unsteadiness, or tremors, go to the clinic without waiting.
Watch for these signs
- Excessive thirst
- Vomiting, diarrhea
- Lethargy, unsteadiness
- Tremors; seizures in severe cases
If you notice any of these, contact a veterinarian without waiting.
Frequently asked questions
Can I give my cat the liquid from canned fish?
Only a little from a can packed in water with no added salt. Brine and oil should not be given.
My cat licked brined cheese — is that a problem?
A small lick usually passes, but the salt load is high for a small body. Check with your veterinarian if you see excessive thirst, vomiting, or lethargy.
Related answers
Sources
This guide is based on publications from the following veterinary bodies. Where sources differ, we take the more cautious position; the final decision is always your veterinarian's.