Hot Shot Bed Bug & Flea Home Insect Killer kills bed bugs and bed bug eggs by contact and also offers control of fleas brown dog ticks and other listed insects. Use on mattresses luggage and bed frames as well as cracks and crevices in sleeping areas to control bed bug adults and their eggs. Disassemble the bed frame and remove bedding. Application to mattresses and box springs is intended for seams edges and tufts only. Spray as a spot treatment to baseboards behind wall hangings and along and underneath carpet edges. Repeat application after 4 weeks if needed. See the product label for complete directions for use. Treating bed bugs as part of a cycle is key to gaining control.