Colloidal silver for dogs: interests, uses and concentration

What is colloidal silver? What are its indications and its dangers for the dog? Where can you buy it?

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What is colloidal silver?

Colloidal silver is a solution containing tiny particles of silver, less than 9 nm in diameter, dispersed in distilled water. It is more precisely a covalent organic complex in which the silver is in chelated form.

This solution is obtained by electrical reaction from two very pure silver electrodes immersed in pure water with very little mineral content or in distilled water.

This solution owes its supposed therapeutic virtues to the semi-precious metal it contains: silver, known since Greek antiquity as a general anti-infective.

Today, colloidal silver is still highly prized for its antiseptic properties in both human and veterinary alternative medicine.

What are the interests of colloidal silver for dogs?

In humans as in dogs, colloidal silver is used, at concentrations of 10 to 15 ppm, externally as a natural antiseptic.

Naturopathic veterinarians use it as a spray or under-dressing in case of skin wounds (ulcer, bite, burn, envenomation), delayed healing, pyoderma or fungal infections.

It is also used in instillation in the animal's ear canal to remedy bacterial or fungal ear infections or as eye drops to treat bacterial conjunctivitis.


The use of colloidal silver in your dog should in no way replace or delay a visit to your veterinarian if your dog suffers from a skin, eye or ear infection.It is always best to seek advice from your veterinarian before using this product on your dog. Otherwise, you could be doing your pet far more harm than good.

Also note that colloidal silver can be toxic when taken orally. Currently, its oral use is even prohibited in human medicine and in France.

Where to find colloidal silver?

Colloidal silver can be purchased in he alth food stores, online and in some pharmacies and parapharmacies. It is mainly marketed in the form of a bottle or a spray.


In France, colloidal silver solutions are not considered drugs because they have not been proven to be effective in vivo. They are considered cosmetic products.

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