Can dogs eat salt?

No — excess salt is toxic

No. Dogs need trace salt but excess sodium causes vomiting, tremors, and potentially fatal salt poisoning.

The full picture

Dogs get all the sodium they need from normal food. Adding salt, sharing salty human food, or letting dogs lick spilled salt can all cause problems. Acute salt poisoning — from eating salty food in quantity, or famously homemade playdough — causes excess thirst, vomiting, tremors, and in severe cases seizures and death. Rock salt on winter pavements is another source; dogs licking paws after walks can ingest significant amounts.

If your dog has already eaten salt

{'severity': 'medium', 'steps': ['Small amounts cause mild upset — ensure fresh water is available', 'Large amounts (salt dough, sea water, big bag of salty snacks) need a vet call', "Do NOT try to 'dilute' with forced water — it can worsen salt imbalance", 'Symptoms to watch: excessive thirst, vomiting, tremors, confusion']}

Risks to watch for

  • Salt poisoning
  • Vomiting and diarrhoea
  • Tremors and seizures in severe cases
  • Kidney damage with chronic excess

Safe portion size

None beyond normal dog food content.

Important: This page is general information, not veterinary advice. Every dog is different, and individual factors (age, breed, health conditions, medications) can change what's safe. If in doubt, always contact your vet — or the Animal PoisonLine on 01202 509000 in the UK.