How to kill fleas on dogs<br>Wash your dog with flea and tick shampoo. While normal dog shampoo and dish detergent usually kill fleas, if you need something more potent, you could try a special flea and tick shampoo. [substeps] Read the shampoo label carefully to determine the proper way to use the shampoo for your dog.
Special flea and tick shampoo is not available in brick and mortar retail stores.