Overview
Chemical castration is a non-surgical way to stop a dog from having puppies, either temporarily or, less commonly, for good. It’s most often done using a slow-release hormone implant, which suppresses testosterone in male dogs. It can also involve hormone treatments to delay seasons in female dogs.
Chemical castration offers a reversible alternative to surgical neutering, making it a suitable option for owners who want to manage fertility without permanent surgery. It typically lasts between six and 12 months, depending on the implant used, and is widely available across UK veterinary clinics.
Why do chemical castration in dogs?
How long does chemical castration last in dogs?
What are the side effects of chemical castration?
How much is chemical castration for dogs UK?
Does chemical castration affect behaviour?
What do other vets say about chemical castration?
What do scientists say about chemical castration in dogs
Find out more about chemical castration in dogs
Medically reviewed by
Published on 03/06/2025 • Reviewed on 03/06/2025