WDMD is not a licensed veterinarian.
This is not meant as a substitute for veterinary care.
Always seek help from your vet after an emergency.
Be prepared to handle any emergency by becoming certified in Pet First Aid and CPR. This course is self paced, online, simple and can potentially save a dog’s life. This is an affiliate link, to learn about our disclaimers, please visit here.
Remove any dirt or debris from the wound. Wash the wound with clean water or saline solutions. DO NOT introduce anything harmful into the wound like soap or hydrogen peroxide. Use firm pressure if needed to stop the bleeding. DO NOT use a tourniquet.
Monitor the wound for any infections. I recommend you call your vet and take your dog in to make sure the wound does not get worse.