When your dog suffers a minor scrape or cut, your first instinct might be to grab the hydrogen peroxide. After all, it's a household staple for cleaning wounds, right? But wait—should you actually use hydrogen peroxide on your dog? The short answer is no, you should not use hydrogen peroxide on your dog's wounds. This article will discuss why and offer some alternatives you can use for dog wounds.

Essential insights for dog owners:

  • Hydrogen peroxide should not be used on a dog's wounds as it can hinder the natural healing process.
  • Alternative methods, like simple saline solutions, are recommended for the initial cleaning of wounds.
  • Consult your veterinarian for proper wound care advice and guidance.

What is Hydrogen Peroxide?

Hydrogen peroxide is a chemical compound that, at room temperature, takes the form of a pale blue liquid with a slightly higher viscosity than water. It is known for its oxidizing properties, which contribute to its effectiveness as both an antiseptic and a bleaching agent.

The household version of hydrogen peroxide is typically 3% which makes it a very weak antiseptic. In fact, it's so mild that its use has been questioned by medical professionals for wound-cleaning purposes.

It's important to understand that hydrogen peroxide is non-selective in its action. This means it doesn't differentiate between harmful bacteria and your dog's healthy cells. This destructive property can impede and delay the natural healing process, leading to longer recovery times or complications.

Why You Shouldn't Use Hydrogen Peroxide on Dogs

While hydrogen peroxide is well-known for its antibacterial properties, using it for treating canine wounds has its drawbacks. It's crucial to understand these limitations so you can make the most informed decision for your pet's well-being.

Damages Healthy Tissue

As mentioned earlier, hydrogen peroxide is a non-selective antiseptic. This means that while it's effective in killing bacteria, it also damages healthy tissue in the process. This can cause more tissue trauma and inflammation.

Delays Wound Healing

The cytotoxic effects of hydrogen peroxide can slow down the wound-healing process. When applied to a wound, hydrogen peroxide can also damage fibroblasts, the cells required for wound healing.

Risk of Ingestion

Dogs are curious creatures and may attempt to lick their wounds, which poses a risk if hydrogen peroxide is applied. Even in low concentrations, hydrogen peroxide can cause mild gastrointestinal distress if ingested. In higher concentrations, it can actually cause vomiting.

It's Painful When Applied to Open Wounds

Another reason to reconsider using hydrogen peroxide is the discomfort it can cause. The solution can induce a stinging sensation, making the experience distressing for your dog.

Best Left for Specific Cases

While there might be particular situations where hydrogen peroxide could be considered under veterinary guidance, the general advice leans towards caution. Alternative antiseptics and wound care practices often provide safer and more effective solutions.

When Is Hydrogen Peroxide Used in Dogs?

At our animal hospital, we use hydrogen peroxide to remove blood from surgical sites our white lab coats, that's about it.

Hydrogen peroxide is also used orally by dog owners as an emetic, to induce vomiting where needed and appropriate. It works by irritating the stomach lining to induce vomiting.

Proper Wound Care Advice for Dogs

We've now learned that hydrogen peroxide should be avoided in dogs for wound management. Wounds in dogs can vary in severity and require different approaches for proper care and healing. Here are some essential guidelines to keep in mind:

  1. Seek veterinary guidance: Consulting a veterinarian is essential for accurate diagnosis and appropriate treatment of your dog's wounds. They have the expertise and experience to assess the wound and determine the most suitable course of action.
  2. Use a simple saline solution: To clean minor wounds on your dog, it is recommended to use a simple saline solution. This solution helps irrigate and cleanse the wound effectively without harming the natural healing process. If you do not have access to a saline solution, for initial open wounds, irrigating the wound with regular tap water is safe and effective at cleaning the wound.
  3. Protect the wound with dressings: Depending on the type and severity of the wound, your veterinarian may recommend using specific wound dressings to facilitate healing. These dressings help maintain a moist environment, protect from bacteria, and promote the natural healing process.

Remember, every wound is unique, and following proper wound care practices is important for your dog's well-being. Your veterinarian will provide you with detailed instructions tailored to your dog's specific needs.

How to Disinfect a Dog Wound?

To ensure the best possible healing for your dog's wounds, we advise to steer clear of hydrogen peroxide and opt for alternative methods of wound care. As hydrogen peroxide negatively affects healing, consider using a simple saline solution to clean your dog's wounds.

The best way to disinfect a wound on your dog is to start with a saline solution. Saline solutions are gentle and effective at removing dirt, debris, and bacteria from open wounds without harming the healthy cells.

You can easily make a saline solution at home by mixing one teaspoon of salt with one cup of distilled or clean tap water. Use a clean cloth or sterile gauze soaked in the saline solution to gently clean the wound.

Benefits of Using Saline Solution for Wound Care:

  • It helps to cleanse the wound without damaging the delicate tissues.
  • It promotes a moist wound environment, which aids in the natural healing process.
  • It reduces the risk of infection by removing bacteria and contaminants.
  • It is safe and gentle, making it suitable for various types of wounds.
  • It can be easily prepared at home with common household ingredients.

If you don't have or are unable to make a saline solution, starting with regular tap water is fine to irrigate the wound. After irrigation, pat dry the wound and apply a topical antiseptic such as Polysporin or Neosporin. Depending on the location and type of wound, you may need to protect it.

You can protect the wound by applying a layer of gauze, followed by bandaging material. Vetwrap works great but be careful when applying around a limb as it can tighten.

It's important to note that not all wounds can be treated at home. Deep or large wounds, or puncture wounds, require immediate veterinary attention so please contact your veterinarian if you have any concerns.

FAQs

What is safe to put on a dog wound?

As a general rule, it is always best to consult with a veterinarian for specific wound care recommendations. However, some common safe options for treating minor dog wounds include:
- Simple saline solution or clean tap water for cleaning the wound.
- Antibiotic ointments or creams such as Polysporin to prevent infection.
- Appropriate wound protection dressings

Can you use hydrogen peroxide to clean dogs' ears?

It's generally not recommended to use hydrogen peroxide for cleaning your dog's ears. There is the potential of doing more harm than good and given that approved ear cleansers are readily available, inexpensive, and safe, there is little need for hydrogen peroxide to clean the ears.

What are the signs of infection in a wound on a dog?

Some common signs of infection in a wound on a dog include:
- Swelling, redness, or warmth around the wound.
- A foul odor coming from the wound.
- Discharge of pus or fluid from the wound.
- Loss of appetite or lethargy.
If you notice any of these symptoms, it is imperative to seek veterinary care immediately.


In closing, avoid using hydrogen peroxide on your dog. and opt for safer alternatives such as a simple saline solution when cleaning minor wounds. Hydrogen peroxide is a non-selective antiseptic where it will kill off the healing cells, therefore delaying healing. Always consult with a veterinarian for proper guidance and treatment of your dog's wounds to ensure the best possible healing results. Keep these tips in mind and help your furry friend stay happy and healthy!