HomeBehavior & trainingDoes Baking Soda Kill Fleas?

Does Baking Soda Kill Fleas?

Here’s how salt and baking soda helps kill fleas and stop the itch.

by Kelly Villa, | May 6, 2024

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Does Baking Soda Kill Fleas?

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Yes, baking soda kills flea larvae and eggs, but not adult fleas, when used with salt. Baking soda and salt dehydrate fleas and their eggs. If you’re dealing with a flea infestation, you will likely need to use chemical commercial products, but if you want to prevent fleas from hitching a ride on your pet in the first place, baking soda and salt is a good option.

How do you use baking soda to kill fleas? 

Liberally sprinkle the baking soda mixture around your house and use a broom to work it into carpet fibers or under furniture. Leave it for a day or two to dehydrate the larvae and eggs then vacuum thoroughly. Clean your vacuum carefully afterward (salt can cause rust), and empty the canister or replace the bag outside. Also note that fleas lay eggs in inaccessible and difficult-to-clean areas of your home, including along baseboards, under furniture, and in cracks in floorboards, so make sure you’re thorough in your cleaning.

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Home Remedies For Getting Rid of Fleas on Dogs — Naturally
Home Remedies For Getting Rid of Fleas on Dogs — Naturally

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What are other natural solutions for killing fleas? 

There are a number of natural solutions for killing fleas, including those already on your dog. Flea combs, which come in various sizes but all have closely spaced teeth that remove both eggs and fleas from a dog’s coat, are great natural flea-killers. Other natural solutions, including mixtures with ingredients such as apple cider vinegar and fresh lime or lemon juice, can also be helpful when applied to a dog’s coat. 

There are also natural ways to clean your home and yard to prevent fleas from making it onto your dog in the first place. In addition to using baking soda and salt, you can sprinkle Diatomaceous earth in areas where you suspect high flea activity or mix nematodes with water and spray throughout your yard. 

What else can baking soda clean? 

You can use baking soda to clean your dog even if they don’t have fleas. You can give your dog a dry bath by sprinkling them with baking soda, rubbing it in their fur, and then brushing it out, or a wet bath by combining 3 tablespoons of baking soda with 1 teaspoon of dishwashing liquid and 1 teaspoon of baby oil in a spray bottle, spritzing your dog, then wiping them dry. You can also use baking soda to brush your dog’s teeth and clean up accidents.

Kelly Villa

Kelly Villa

Kelly Villa is a freelance writer and contributor to various pet publications.