The closest pet owners can get to immediate flea relief is by treating their pets with Nitenpyram. Common brands of Nitenpyram include Capstar® and Bestguard® which can be purchased through a veterinarian, online, and over the counter.
Diatomaceous Earth is a powder that's made from the fossilised remains of algae. It's non-toxic to humans and animals, but it's deadly to fleas. Just sprinkle some DE around the areas where fleas are present. The DE will kill the fleas on contact.
Try Nitenpyram
Nitenpyram (brand name Capstar) is a chemical used to kill adult fleas. It works fast, killing fleas within 30 minutes.
However, the fastest home-safe method to flea murder is by drowning a flea in chemicals. Dish soap, herbal flea spray, saline, and fresh lemon juice are all highly effective. Keep the flea or fleas submerged for a half hour in a small, enclosed capsule and open when ready to observe the floating insect carcass.
Bath with flea soap for dog. Treat the entire home with flea spray including carpets, corners, under couch and chair cushions, under furniture. Vacuum often. If you have a small yard, spread diatomacious earth on it. Don't forget to wash your bedding.
You can get fleas in your hair, but they won't stay and live there. Human hair isn't thick enough to provide shelter for fleas, and most species of flea don't even feed on humans, anyway. If a flea jumps onto you from one of your pets, it will probably leave in search of better shelter.
Dawn dish soap will kill fleas by drowning them, which happens fairly quickly. However, flea eggs, larvae, and pupae in the environment will be left untouched. These will mature, hop back onto your pet, and start reproducing, leading to more fleas.
Though hydrogen peroxide won't instantly kill all fleas in your home, it wouldn't hurt to test this method and see if it makes a difference. Read the original article on House Digest.
Use a household spray. Sprays like FRONTLINE HOMEGARD® can be used throughout the home, on non-washable furniture such as carpets and home textiles to help kill fleas, eggs and larvae found there and get on top of a home infestation even faster.
PetArmor® CAPACTION® (nitenpyram) kills adult fleas. Its active ingredient, nitenpyram, starts killing fleas in just 30 minutes.
Coconut oil is a natural flea repellent and can also soothe irritated skin caused by flea bites. It contains lauric acid, which kills fleas on contact.
Cedarwood or atlas cedarwood are incredibly effective at both repelling and killing fleas. By using a diluted form of cedar essential oil, you can revel in the knowledge that the fleas will soon be very, very dead.
Flooding your yard with water will eliminate fleas, since no life stages can survive in water. Essential oils. Essential oils such as peppermint oil, sesame oil, cedarwood oil, and cinnamon oil are common ingredients in all natural flea and tick sprays for the yard such as Wondercide® and EcoLogic® Lawn & Yard Spray.
SUMMARY: Wondercide formulations proved 100%* effective at killing fleas when applied as a direct spray application, making it a highly effective flea control solution for pets and homes.
It sounds weird, but Dawn dish soap, Original, kills fleas on the spot, instantly.
Capstar (nitenpyram) is a fast-acting flea treatment tablet for use in dogs and cats that starts killing fleas in only 30 minutes. A single dose of Capstar kills 90% of adult fleas within 4 hours for dogs and 6 hours for cats, ridding your pet of these pesky parasites.
Other Flea Repellents for Humans
Neem oil: Neem oil, extracted from the seeds of the neem tree, has been a staple in traditional medicine and pest control for ages. Packed with compounds that repel fleas and disrupt their life cycle, it's a powerful natural repellent against these pesky critters.
Cover skin with long-sleeve clothing and pants to minimize exposure to bites. Flea bites often occur on the lower legs and feet, protect these areas with long socks and pants. Treat clothing and gear with products containing 0.5% permethrin.
While fleas can bite humans, they typically don't thrive or reproduce on us. Fleas prefer furry animals like dogs or cats for a stable environment in which to lay eggs and hide. On human skin, fleas might bite but will soon jump off in search of more suitable hosts.
While you can hop in the shower every time you're in a flea-infested area of your home, doing so will only get rid of those fleas on your skin.