Natural Flea Control

Last Modified on Jul 27, 2014


Borax, Baking Soda

Approval Ratings
YEA (1)

[YEA]  02/03/2012: Kathie from Houston, Tx / Usa: "I make my own carpet powder (for sprinkling on my rugs before I vacuum). I mix half borax (20 team mule) and half baking soda along with a few drops of essential oils (I like lavander and a touch of lemongrass).

I feel like this will keep down the bugs (like mites, fleas and maybe any other gross things! - because we have pets), absorb odor and add a fresh scent. I also put this mixture on our sofa (the cat sleeps on it... ) I then put on rubber gloves and rub it in, then vacuum."

Borax, Hydrogen Peroxide

Approval Ratings
YEA (1)

11/11/2010: Rondamommie from Kansas City, Mo, Usa: "I am reading the flea bath for cats suggestions here. Today I only have borax on hand and ACV... I do Not have Hydrogen Peroxide on hand. I have read through Ted's suggestions for remedies. Will it work to give my cats a bath/dip in only a Borax solution? Do I need the Hydrogen Peroxide for it to be effective? Can I substitute ACV or white vinegar and get the same results?

I also wish to treat my yard effectively. Can anyone recommend a solution they have effectively used? I do not have the Hydrogen Peroxide for the yard treatment recommended either. Can I use plain Borax, liquid or dry???, in my yard. Shall I combine it with something else?

I would appreciate anyone's experience with this! Best, Ronda"

[YEA]  10/27/2010: Millie from, Missouri: "My son has a black lab and she got case of fleas. He wasn't sure it was fleas because he treats her monthly with frontline. She was in the process of developing mange, he had her to the vet a couple of times but he hasn't go a lot of money, he lives on disability, so I went on line and found your idea of borax and peroxide. He tried it and she is as good as new. We thank you so much we can't tell you how much. God bless you and your work. He also put cider vinegar on her spots as you recomended."

Boric Acid

Approval Ratings
NAY (1)

[NAY]  06/13/2013: Diana from Staten Island, NY: "Someone used boric acid -- Stop!!! Mature cats know not to lick it, but kittens are killed."

Boric Acid Powder or Head and Shoulders

Approval Ratings
YEA (1)

[YEA]  Tania from Stockholm: "For fleas in dogs wash them with boric acid powder or Head and Shoulders. Use white vinegar in the water just a little. Sprinkle Earl Grey Stash tea and fleas will run dogs love it could be the reason they roll in it!"

EC: Boric Acid can be toxic to dogs.' Read more about this on our Mange page.

Brewers Yeast, Garlic

Approval Ratings
YEA (1)

[YEA]  11/25/2009: Debbie from Climax, Ga: "I give my dogs brewers yeast and garlic tablets.1 tablet for every 5 lbs.They love them,eat like treats.I have mini dachshunds from 3 months old to 2 years old. No fleas or worms. Garlic kills the worms and brewers yeast is good for the skin."

09/28/2011: Dwszoo from Midway, Tenn replies: "Just a bit of warning about using garlic on dogs and cats.... They have found that onions are toxic to animals and galic is in the onion family so be very cautious of the amounts you give as you could be harming you dog and I would never give it to a cat.... Just fyi"

Brewer's Yeast

Approval Ratings
YEA (7)

[SIDE EFFECTS]  05/16/2010: Robyn from Hampton, Tn: "I bought a bottle of brewers yeast at walmart for flea control as I read somewhere it might help.

It made my german shepherd so sick and he got an ear infection right away. I had to take him to the vets to get meds. The vet would not give me oral antibiotics, but gave me ear drops. I wish I had bought fish antibiotics and looked up the dosage from revival animal health or drs foster and smith for him. He ended up biting me really badly because he didnt want the drops put in his ear and I ignored the threat display to get them in his ear and he attacked me...not that it was his fault..he is a wolf hybrid german shepherd and he has a large set of teeth.

Never use brewers yeast for flea control it doesnt work and it causes illness.

ON the contrary, I have a big steel pot I use for all my animals water and every time I fill it up I put a cap ful of apple cider vinegar in it, the best kind is the kind at the health food store but I just use the kind at the dollar store, and it starts working in about two weeks. They dont even notice it is there and it cuts the yeast out of their bodies and the fleas dont really like the taste of it and I also mop with it and I love it for all it does!"

[YEA]  12/13/2010: Blankie from Fajardo, PR USA replies: "For years I have used Brewer's Yeast until now and that is because it has been difficult to find it here in Puerto Rico. I used to buy it at Walmarts and Walgreens Pharmarcy but it has been discontinued. I have always used it for my dog and her hair is shiny, she is quite healthy. She is always outside and she loves to sleep on sand (major factor for fleas and ticks) and she has no fleas nor ticks. I have used it on all the dogs I have had. The ones that died were of all ages (15 yrs) but never due to anything they ate or that I gave them."
04/08/2012: Mikki from Youngsville, Nc Usa replies: "I wanted to add to this a little as well. Some dogs do have a high yeast count in their body's and giving them supplemental yeast could result in a yeast infection of the skin or ears. But as a general rule, brewers yeast is effective on flea prevention and is very safe for your dogs. If you are concerned that your dog might develop a yeast infection talk with your vet about assessing yeast levels on their skin before you begin."

[YEA]  10/16/2009: Izzy3 from Sebastian, Florida: "Thank You so much for having this site !! I am having success in only less than a full day using Brewers Yeast against these invisible biting bugs , which I believe to be Sticktight Fleas, I have suffered with them for a year now. I am so thankful to be able to pass along what I consider VERY valuble information. I always knew somehow , the remedy would be something simple and common, Brewers Yeast has been used for decades ( maybe longer ) on all kinds of animals for fleas and moskitoes bothering people. I felt results within 15 minutes of taking it, you will feel them getting active in your flesh!! I slept last night , straight through for the first time in at least 8 months. Don't give up the Borax & DE in carpets though, it is also valuble in this battle, I will continue using 20 MT Borax in my laundry for some time. My prayers are with you all."

12/04/2009: Holly from Martinsville, In replies: "How much brewer's yeast do you take, and internally, right? Thanks"
[YEA]  05/03/2010: Westwind from Orlando, Fl replies: "Brewer's Yeast works! I started using it early last spring, throughout the summer and into early winter. I never saw a flea on my Bassett Hound. I had my doubts living in a humid, hot climate where fleas thrive, but I never saw even 1 flea. I put about a teaspoon on her food at night (she's a small bassett, about 40 lbs). She loves the taste! Brewer's Yeast is natural and filled with other nutritional stuff your dog needs. Give it a try!"

[YEA]  04/29/2009: London from Sandusky, Ohio: "I had the worst flea infestation EVER, last year. I have two Dogs, and I live in Ohio, right near the lake, so the humidity here is terrible. The infestation was so bad, my 2 year old was getting bitten all over. I didn't know what to do. I tried ACV, in their water, and It didn't really improve anything. Although, I think I was a little impatient, I read that you have to wait 6 weeks for results. Tried Garlic, the kind you get in the jar in olive oil, AND powedered. Did not workat all.

Brewers yeast seems to be working well, so far. I started in March, now it is almost May. They are a lot better now then last year at this time. I also use flea collars, because, I have to do something aggressive for these dogs, they suffered so much last year. My German Shepherd actually liked off all of her hair on her hind side, and was bald. I used Tea tree oil, about a dropperful in some Castile soap for their baths last year, but this year, I'm planning on trying Neem Oil. I'm going to try rubbing it on their fur as a repellent as well. See how that goes. Wish me luck!!"

08/17/2009: Ann from Castle Rock, Co replies: "We are getting ready to move to Washington state and I wanted to try and get a head start of protecting my dogs from fleas. I have a begale and 2 mini-dashunds and was wondering how much brewers yeast they should get? I bought tablets, but not sure if they should get the whole tablet (if so how often) or if it should get crushed up (and still how often) I already give they fish oil tablets 2x a week to help w/the dry skin that happens here. Also I'm seeing that my little ones don't care for the garlic powder on their food, will it be just as effective if it is cooked (say in biscuits)? Thanks for all the great advice on here! Glad I found this site!!!!"
09/02/2009: London from Sandusky, Ohio replies: "Hey, get the big jar, and sprinkle and coat it on their dry food like cinnamon toast. Mix it well, make sure all the dry food is covered. IT WORKS!!! All summer long, NO fleas, amazing. The only thing that works honestly."

[YEA]  04/16/2009: Kathy from Watsontown, PA: "I've used brewers yeast[debittered powder] for fleas successfuly.I sprinkle it on my cats food every day[like cinnamon toast].they like it & their coats are very nice too. does anyone know if "nutritional" yeast flakes work for fleas too? ? it's a little cheaper."

06/03/2009: Fran Lord from Union Point, Ga. replies: "Having problems with fleas on our dog. The vet said the dog was alergic to fleas. The liquid my daughter puts on his neck makes the dog sleepy. I am going to try apple cider vinegar and brewer`s yeast but what is ACV you talk about. Fran Lord"

EC: ACV is short for Apple Cider Vinegar.

[YEA]   Katie from Emporia, KS: "If ACV doesn't seem to work on fleas, try Brewer's Yeast vitamin tablets and cedar chips for bedding. Most dog beds have cedar chips inside them, but you can also buy them straight for dog houses and such."

[YEA]  Jennifer from Doonan, QLD, Australia: "My 3 poodles have 2 tbsp in jug of water each day to prevent fleas. I also use it in their rinse water after a bath each week."

Cedar Chips, Dish Soap

Approval Ratings
YEA (1)

[YEA]  03/13/2009: Jerry from Chillicothe, Illinois/usa: "I have had dogs as pets for more than 50 years and they are inside pets, but are let out to a fenced area constantly during all year and I have found that at spring before the first mowing. I will go to Walmart and get 2 large 0.5 cubic ft bags of cedar chips or bedding and sprinkle it throughout the areas where the dogs will be. I do this before the first mowing and after I mow the yard it will scatter the chips even better and finer.
I never have fleas and to check occasionly, I will fill small bowls with water and a few drops of dishsoap , place them under a wall outlet with a nightlight on overnite and in the morning if there were any fleas in the house, they will be dead and in the bowls. I always do this ritual every year faithfully and never have a flea problem in my yard."

Cedarwood Oil

Approval Ratings
YEA (2)

[YEA]  11/08/2009: Fireball92 from Carbondale, Il, USA: "You really ought to try cedar oil... Especially- there is a company that uses a special blend that is deadly to ALL exoskeleton type insects (and their eggs and larvae). I had a terrible 2-year infestation. Tried every home-grown remedy and commercial remedy on my dogs and in my home... Spent $100'S of dollars but the darn things were indestructible! After another day on the net, I decided to try a cedar oil based product (so safe I apply it to the SKIN of my 2 yr-old granddaughter as a repellant for fleas and mosquitos) One treatment of my home and dog the hopping, biting critters were magically gone. The stuff is fabulous I think when comes to fleas and bedbugs - IT IS INFALLIBLE! - Dr. John"

06/11/2010: Ray from Wilmington, Nc replies: "How did you use the cedarwood oil? Did you mix it with anything?"
06/10/2012: Brenda from Fayetteville, North Carolina replies: "Could you please give me the name of that special blend of the Cedarwood oil and where I can buy it? Thank you very much."
07/26/2012: Dvillekat from Douglasville, Ga replies: "I would like to know how to dilute the cedarwood oil so it can be applied to the skin as a repelent for fleas and mosquitos. Also what is the mixture of cedarwood for spraying the carpet."

[YEA]  11/13/2008: Maxine from Havana, Arkansas, USA: "Not allowed to mention brand names. Do a search for cedarwood oil, there is a company in Texas and that is all they sell is Texas cedarwood oil. This stuff is a God send. It even kills bedbugs, headlice, fleas, ticks on contact. I have used many natural products for fleas , this is safe for even the youngest or pregnant animals. This stuff is only toxic to pests. Completly safe for humans. It smells good too. Got tired of toxic stuff on my 4 yorkies. It is all natural. One of there products is for soldiers in iraq , kills sand fleas. Also bugs can not get immune to this, unlike chemical products, bugs develope defences to. This is the only product I use for pests. I am not afilliated with this company in any way."

05/15/2009: Jamie from Largo, Fl replies: "How much and how was this used??"
07/24/2009: T=Bone from San Fran, CA USA replies: "The above-mentioned product, food grade aromatic Red Cedar Oil is combined with melted Quartz Rock, and comes properly and proportionally pre-mixed and needs no dilution, additions, or calculations. The company also sells spray bottles and fogger machines (or look for 2nd hand on online auction sites or local garden stores) for treatment of large indoor areas (this product apparently not good for plants or gardens). They provide suggestions as to how much is needed for covering the square-footage you wish to eradicate of fleas - I usually get a little more to have on hand for incoming fleas from the outdoors or other people's pets as well as to use as mosquito repellent for myself. It is anti-bacterial and non-toxic to humans and pets of all ages. I find the smell is great BUT pretty pungent, so your human and non-human cohabitants may not wish to be present during application or for several hours after; ventilation helps reduce the intensity allowing all to return later that same day to the now flea-free area! I am not in any way affiliated with this company but endorse their product fully."
[BETTER BUT NOT CURED]  09/18/2012: Doug from Knoxville, Tn replies: "This summer has been the worst for fleas. Have been fighting the critters for a few months on our lab and cocker. spot-on chemicals did nothing. I'm done spending money on monthly treatments and have read some of the research that is a bit scarey. I called the company of the one I recently used and was told, "the product works, your dog must be picking up new fleas daily. " So what good is it if they stay covered in fleas??? I am currently using the cedarwood oil I bought on line from a company in texas. It came with a 1oz. Spritzer you can refill from the jug. easy to use. It works as well as advertised, will kill a flea in seconds. We have used it frequently on the dogs with no harmful side affects. The only draw back is that it doesn't continue to work for any length of time. If the problem is bad, like ours has been this summer, the fleas return. But a heck of a lot cheaper and safer than spot on treatment. The 32 oz bottle should last quite a while. We've started a more aggressive approach with some of the ideas we found here, I. E. Brewers yeast, ACV, etc.. The cedarwood oil spray has worked well, but as you probably know.... the little critters tend to stay out of sight most of the time."
10/12/2012: Mar from San Diego, Ca replies: "Just so you know.. "melted quartz rock" is actually petroleum distillates. Ie: paint thinner. I bought this product back in 2010 only to find this out when it arrived & I read the label. "Ingredients:10% Cedar Oil, 90% Petroleum Distillates. " Needless to say I was beyond disappointed."
11/23/2012: Crq from San Diego, California replies: "For the past two years I have been using a wonderful natural insect repellent for my dogs. It is a completely natural product using Lavender, Cedarwood, Rosewood, and Patchouli essential oils in an organic base of olive oil, shea butter, and beeswax. The product is excellent and smells great."

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DISCLAIMER: Our readers offer information and opinions on Earth Clinic, not as a substitute for professional medical prevention, diagnosis, or treatment. Please consult with your physician, pharmacist, or health care provider before taking any home remedies or supplements or following any treatment suggested by anyone on this site. Only your health care provider, personal physician, or pharmacist can provide you with advice on what is safe and effective for your unique needs or diagnose your particular medical history.


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