Here are some home remedies for getting rid of lizards:
Easy ways to Get Rid of Lizards Infestation- Pocket News Alert
Some of them are dangerous to pets, such as moth balls and phenyl (phenol) tablets. Egg shells, coffee grounds, garlic, onions, and bird feathers are safe provided you keep them out of reach of pets. (Onions are poisonous for dogs to eat. Feathers could be a choking hazard. Coffee grounds contain caffeine, which is toxic in large quantities.)
There are a lot of different kinds of electronic devices for repelling pests, and not all of them work the same way, or are effective. The ones that emit high pitched sounds could irritate your dog's ears.
In tropical areas, lizards are often considered to be natural insect control, and people live with them and don't get rid of them. They are only really a problem in large numbers, or if they drive your dog crazy.