Sarah Lewis is the owner of Dogtopia in downtown Evanston.
"Some candy can be toxic for dogs, so this is actually a great opportunity to provide some special treats for your dog - fresh carrots, apple wedges," suggested Lewis.
When picking out a costume, make sure your pet can move properly while wearing it. "Watch for any signs of anxiety. If they're shaking, if their yawning, the main thing is to really practice with the costume," said Lewis.
Here are some more tips to keep in mind when celebrating Halloween with your pet.