usually the foggers are suppose to be left alone for 2 hours with all windows closed, fans off, and heat/air conditioner off. After 2 hours, air all the rooms out for 30 min and they should all be dead, depending on what kind of fogger you buy.
There is a prescription medication used by veterinarians that can kill adult fleas on an animal with a few hours called CapStar. The spot-on treatments sold as preventatives (Frontline, Revolution,...
It may take a while. Possibly a few weeks. My suggestion is pick a day where nobody is in the house or outside the house. on that day. spray your yard(and the inside of your house if necessary)but...
Spot-on treatments from animal clinics, insect growth regulators and aerosol foggers are ways to control fleas in the house.Specifically, active ingredients of fipronil and imidacloprid are effective...