What kills ticks immediately?

What kills ticks immediately includes high heat, certain chemicals, and physical removal, though complete control requires treating environment and pets as well. The fastest way to kill ticks on contact is high heat, as ticks die instantly at temperatures above 120 to 130 degrees Fahrenheit, so washing clothing and bedding in hot water above 140 degrees and drying on high heat for 30 minutes kills all stages immediately, and steam cleaning above 200 degrees kills on contact. Direct contact with rubbing alcohol or isopropyl alcohol 70 percent kills ticks quickly when they are submerged, so placing removed tick in alcohol kills within minutes. Insecticides and acaricides containing permethrin, pyrethrins, or other tick killers kill on contact when sprayed directly, though many require direct contact and may take minutes to hours, and permethrin treated clothing kills ticks that crawl on it within minutes to hours. On pets, veterinarian prescribed oral tick preventatives like fluralaner and afoxolaner kill attached ticks within hours, with some killing within 2 to 4 hours. Physical removal with tweezers does not kill but removes tick. Drowning in soapy water kills within minutes as soap breaks surface tension. For immediate kill after removal, place tick in sealed bag with rubbing alcohol or flush down toilet. However, no single method kills 100 percent of hidden ticks in yard, so integrated approach with habitat management, pet treatment, and personal protection is needed.