Probably not! Commercially-available crayons, including those made by Crayola, are non-toxic. ... Crayons are made of paraffin wax and pigment. These ingredients should not upset your dog's digestive system, though a large amount may cause intestinal discomfort and loose stool.

What happens if dogs eat a crayon?

As mentioned earlier, crayons can represent a physical threat to your dog. If he swallows a large piece of a crayon or eats a ton of them, they can cause him to choke or block up his intestines. This can represent a serious medical emergency, so you'll want to head over to your vet ASAP.

Will a crayon digest?

Crayons are usually non-toxic and made of wax, so they are not harmful to the child if he or she ingests part of or an entire crayon. ... You can expect the child to pass the digested foreign material in his stool, so it may appear similar in color to that of the ingested crayon.