What happens if a pet dog eats salt?

Salt raises a dog’s kidney metabolic burden. Long-term high-salt food can cause severe tear stains, shedding, bad breath, lethargy, increased drinking and reduced urination, even kidney failure.

A large single dose can cause salt poisoning with twitching, drooling, abnormal behavior, spasms and vomiting, needing urgent veterinary care. Avoid table scraps, and don’t add salt to toppers like chicken breast or eggs.