Will Dogs Eat Moth Balls. Perhaps the main downside of using mothballs to repel dogs from your yard is that they are in fact poisonous to dogs if they are directly ingested. Will mothballs hurt dogs and cats?
Mothballs don't really smell good to anyone, but dogs especially hate the scent. Cats are more sensitive to the toxic effects of mothballs, but dogs are more likely to ingest mothballs. My dog ate a mothball that has been out for two weeks she weighs about 11.5 pounds i have given her a teaspoon of peroxide to make her vomit she didn't vomit in 15 minutes so i repeated it and still n.