Are Mothballs Safe? Mothballs can be used safely. In order to use mothballs safely, you should put them in sealed containers so the fumes can build up and become potent enough to kill the moths. When these fumes are contained in a sealed environment they are not harmful to humans or pets.

What kind of animals do mothballs keep away?

"Often, mothballs are used in these locations to control pests other than clothes moths," Stone said. They include squirrels, skunks, deer, mice, rats, dogs, cats, raccoons, moles, snakes, pigeons and a variety of other animals.

Is it safe to have mothballs in the house?

Mothballs should not be placed in closets, attics, basements, storage chests or trunks, garment bags or other spaces other than in tightly closed containers as explained above. Gasses from the mothballs escape into the air and can cause respiratory problems.