Pet CPR + First Aid Certification Manual: Bleeding

Pet First Aid: Bleeding

External bleeding is any time blood has exited the body through a wound. It is crucial to clean the wound to prevent infection and promote healing. An example of external bleeding is a cut that is visibly bleeding.


Internal bleeding is any time a pet is bleeding inside his/her body, but it cannot be seen. A minor example of internal bleeding is a bruise.


Arterial bleeding is caused by a damaged or cut artery.

Appearance:  Bright red, Spurting movement with the heart beat

Severity:  Critical

In such cases, it is crucial to seek immediate medical attention at an emergency animal hospital.


Capillary bleeding is surface level bleeding caused by damaged capillaries.

Appearance:  Red, Trickle movement that often clots and stops quickly

Severity:  Minor

For minor wounds, use sterile gauze to cover and wrap the area to prevent infection and promote healing.


Venous bleeding is caused by a damaged or cut vein.

Appearance:  Dark red, Oozing movement with the heart beat

Severity:  Very

First Aid Wound Care for Pets:
  1. Ensure scene safety
  2. Get PPE and first aid kit
  3. Apply direct pressure and treat in accordance with the type of wound. Avoid using hydrogen peroxide and rubbing alcohol as they can hinder the healing process.
  4. Take your pet to the veterinarian

    Special Note:  Monitoring a dog's wound is crucial for ensuring proper healing and preventing complications. Daily assessment of the wound is important to check for signs of infection, such as redness, swelling, and pus. If you notice any of these signs, it is essential to seek veterinary care immediately. Infected wounds may require professional cleaning, prescription medications, and ongoing monitoring to ensure they heal properly.