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My Colloidal Silver Protocol for Dogs and Cats

This protocol is one I have developed and used for more than ten years for myself and my clients, with excellent results. My approach to the canine infectious respiratory disease complex is below. 

DISCLAIMER: I am sharing what I do, and it is up to you if you want to follow this protocol. There is no scientific evidence to back up the results that I have observed; they are all anecdotal. 

I use Colloidal Silver with a 10-15ppm solution. That is plenty. Make sure you use a good brand. 

The protocol has 4 stages; below are the frequencies and dosages I have used for each category.  

  1. Maintenance: Once a day. Stay on this forever; that is what I do and this dose is a very effective preventative dose. Add to water or give by a feeding syringe. See dosages below.
  2. Restoring the immune system: 2-3 times a day. Follow this for 2 weeks, then go back to stage 1. Add to water and use a feeding syringe between meals for the 2-3 times dosages. See dosages below.
  3. When dealing with a chronic condition: 4-5 times a day. Follow this until you see improvements, then go to stage 2. Add to water and use a feeding syringe between meals for the 4-5 times dosages. See dosages below.
  4. Acute condition (short term): 5-7 times a day. Follow this for 2 weeks, then go back to stage 2. Add to water and use a feeding syringe between meals for the 5-7 times dosages. See dosages below.

The dosages listed below are guidelines for the dosage given to your pet based on size. This can be given for most conditions. Give between food; do not add to food. Use a feeding syringe to administer into the mouth. Don’t force the mouth open; most pets will not like this. Lift the lip up on the side and stick the tip of the syringe between the teeth; there are openings there. You can also add to drinking water. Use the spray on cuts, wounds, and tumors.

If your pet refuses the syringe, add to water. Use the full 10 ppm solution when you are dealing with stage 2 and 3 cases. 

Small Dogs and Cats.

2-10 lbs: 1 tsp (5 ml)

11-25 lbs: 1 1/3 tsp (7 ml)

Medium breed dogs

26-40 lbs: 2 tsp (10 ml)

41-55 lbs: 2.5 tsp (15 ml)

Large to giant breed dogs

56-80 lbs: 3 tsp (15 ml)

81-100 lbs: 3.5 tsp (17.5 ml)

101-150 lbs: 4 tsp (20 ml)

151-200 lbs: 4.5 tsp (20 ml)

You do not have to be super accurate about the exact dosages. These are guidelines. More is better than less when you deal with stages 2 and 3. 

Suggestions for canine infectious respiratory disease complex


  • Coughing
  • Runny nose
  • Runny eyes
  • Sneezing
  • Lack of energy
  • Difficulty breathing (unusual panting)
  • Rapid breathing
  • Pale gyms (should be pink to light red)
  • Lack of appetite (this is part of the healing process so not the biggest concern unless it goes on for days and the dog becomes weaker). Contact me if this is the case.


The moment you detect any of these symptoms, go to stage 4 and stay there until you see improvements like less coughing and more energy. Then go to stage 3,2, and then 1. 

If you do not see improvements, please get in touch with me for help with a protocol designed for your specific case and one that will work for you and your pet. The quickest way to get help is to book a consultation (link in menu). I am being inundated with requests for help and behind on my responses.

Update 11-25-23

Over the last week, I had 3 people with dogs showing the symptoms of this condition contact me. Two from Colorado. A 4-year-old Bernese Mountain dog, and a 6-year-old Rottweiler. The 3rd dog was an 8-year-old Labrador from Oregon. They all followed the protocol above, and the two from Colorado made significant improvements within 48 hours. The Lab from Oregon took 4 days to show significant improvements. I believe this has to do with her age, and that she had been on kibble for the first 6 years of her life. They are all raw-fed now.

I want to make clear that these are only 3 cases, and they all caught it early. I am not saying this will work for everyone. Early detection is the key and a healthy immune system is a huge benefit for a quick recovery.

A word about the food.

Many know I am a strong advocate of raw feeding since I believe dogs have a carnivorous digestive system and will thrive on raw meat and bones. That’s why I started the world’s longest (30 years) and largest (5K+dogs and cats) observational raw feeding study in 2000. My goal is to collect data when it comes to longevity and chronic diseases like cancer in dogs and cats.

The biggest takeaway from this study so far is a drastic reduction of chronic diseases in these dogs. This translated to a stronger immune system that protects these dogs better against pathogens that can cause our dogs and cats to become ill. I am preparing a large report based on the observations from this study that I hope to publish in a year or two.

I will keep updating this page as I get results back from more cases and find other modalites that may help.

If you have any questions about this protocol and need help with your pet don’t hesitate to get in touch with me.

 Additional information

If you are uncertain about claims that dogs are closely related to carnivores please read this article

If you are uncertain about what Colloidal Silver is and how I make mine please read this article. 

You can download this protocol here

Starting an observational study

Since this condition is in its infancy and nobody really knows what is going on, I would like to learn as much as I can and, at the same time, try to save as many dogs as possible using modalities that are harmless. If what I think is working, that would be the best solution, but I need more confirmation beyond the few cases I have seen. 

If you decide to follow this protocol, I would like you to consider participating in am observational study so we can collect mos information to help others manage this disease. I will create a group so we can all share what we do. Let me know if you are interested in participating in this.  

Thomas Sandberg CSAN, CCNC, AADP

Thomas Sandberg CSAN, CCNC, AADP

Thomas Sandberg is a board certified animal naturopath and carnivore nutritionist. He founder of Long Living Pets Research Projects, a 30-year observational study into raw-fed dogs and cats. Thomas also consults in animal naturopathy, including the prevention of chronic diseases and longevity using all-natural modalities. With more than 20 years of experience with hundreds of cancer cases, he has a deep understanding of why so many dogs and cats get cancer today and how we can lower the risk significantly.

Need help with your pet?

Do you have health issues that you cannot resolve with conventional therapies? Are you looking for a natural approach to help your pet live a long healthy life?

This is possible, and what I do. My approach is to restore the immune system in dogs and cats so they can achieve homeostasis. That is the best protection against pathogens that can lead to diseases.


join long living pets research projects

This is the World’s Longest and Largest Observational Study into raw fed dogs and cats. Thousands of dogs and cats are participating. We will follow these dogs for their entire life and report and document their lifespan and health.

If you feed a raw food diet you are welcome to participate in the study.

More here

Long Living Pets Rescue and Rehab CenterLong Living Pets Rescue and Rehab Center adopt pets that are scheduled for euthanasia and heal them holistically.

If you want to learn more and help share this project with others…

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