Petco Text Logo
Petco Pet Logo

My pregnant dog has fleas. What's the safest and best treatment?

Updated On September 23rd, 2025

My dog is pregnant with bad fleas. She is due in a few weeks. Can I use permitherin cream 5% to treat her fleas!!!!

5 Answers

Most Helpful Answer

Image profile

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on March 14th, 2018

No, this is not safe to use on your dog. Revolution is a spot on flea treatment, and it is approved and safe for use in pregnant dogs. You can get this from your vet's office. I'd recommend using Capstar as well. It's a one time pill that starts killing fleas in 30 minutes and is also safe to give pregnant dogs. Give her the Capstar to kill the fleas, and follow up with the Revolution. You will have to disinfect the environment as well. Wash her bedding in hot soapy water, and vacuum the furniture and carpet surfaces. You can use a spray to kill fleas in the house, such as Indorex, or a flea bomb would work well to kill the fleas in the home. Just keep her out of any room where you use Indorex or a flea bomb until the room is completely dried. I hope this helps!

Vote icon

7Pet Parents found this answer helpful

Related Answers from Veterinarians

  • Image profile

    Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on June 26th, 2017

    Frontline topical and Frontline Spray are both safe to use in pregnant or nursing bitches. You will also need to treat the environment. Vacuum everywhere she has been. Dispose of the bag outside. Wash all bedding in hot water. Use an area treatment as well to prevent reinfestation.

    Vote icon

    1Pet Parents found this answer helpful

  • Image profile

    Answered By Jeffrey Milner

    Veterinarian

    Published on November 10th, 2017

    Frontline and Bravecto are approved for you in pregnant and lactating animals. That being said, even the products that are approved for use offer you no guarantees that there will be no birth defects in the pups. Just a signiicantly diminished risk compared to many of the other products which explicity say to avoid them.

    Vote icon

    1Pet Parents found this answer helpful

  • Image profile

    Answered By Dr Stafford, BVetMed, MRCVS

    Veterinarian

    Published on October 31st, 2017

    I wouldn't use any topical flea treatments on her at this point as many of the products are not safe for puppies as they get absorbed into her skin then will go into her blood and milk. Frontline spray is safe for young puppies so you could use this on her.

    Vote icon

    1Pet Parents found this answer helpful

  • Image profile

    Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on May 3rd, 2018

    She can get her rabies shot now or you can wait until after she had her puppies. As for fleas: Unfortunately fleas only hop on the body of your pet when they want to feed, then they hop off again and stay in your pet's environment. So you need to treat all pets in the household as well as the environment (which contains the fleas, their eggs and larvae). Flea treatment:  1) Get some flea medication such as a Flea spray or a spot on from a pet shop or your veterinarian and apply monthly 2) get flea powder, put some in your vacuum cleaner bag and vacuum your house and furniture and also non-carpeted areas frequently to remove flea larvae and eggs which live off house dust., Dispose of the bag in the trash outside. Hot-wash all the pet's bedding, If you do this diligently for a few months you will get rid of the fleas. Flea products: Spot-ons: Advantage, Advantix Advantage Multi (Advocate in the UK) Frontline (ticks as well) Bravecto spot on (ticks as well) - for cats, in tablet form for dogs Revolution (Stronghold in the UK) Collar: Seresto (ticks as well) Frontline spray may be a good choice for you as it is not dangerous to the puppies. There is a possibility that your pups will have fleas as well and you can use the Frontline spray on both the mother as well as the pups.

    Vote icon

    1Pet Parents found this answer helpful

See More Answers
image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored