Contrary to many popular opinion lizards are not dangerous neither they are poisonous. ... Even though a mosquito spray like Raid Max, Baygon, or HIT may not work to kill the lizards instantly, these bug sprays if used in sufficient quantity do hurt them a lot and can slowly cause death.

What kills a lizard?

Coffee Powder. This is a very effective method to kill lizards. Make your own lizard death-balls by combining coffee powder and tobacco powder and rolling them into small balls. Stick them on toothpicks or matchsticks and leave them around the house – especially behind shelves and cupboards where they hide.

Will bug spray harm lizards?

Yes, bug spray does hurt lizards. Even if you are not interested in getting rid of the lizards, using bug spray to remove bugs will harm the lizards because they can inhale the chemicals. ... Additionally, the lizard's skin has pores that will absorb it from the air.