The cause of Plummer-Vinson syndrome is unknown; however, genetic factors and nutritional deficiencies may play a role. Women are at higher risk than men.
(This will also rejuvenate the coat and help balance your dogâs skin pH levels.) For a shiny, healthy coat mix 1 cup of vinegar with 2-4 cups of water and use as a final rinse. Spray vinegar full-strength on your dogâs coat to normalize the pH balance of its skin. (This is one of my personal favorites!
Holistic Treatment for Dogs Using Apple Cider Vinegar. Be careful in your use of apple cider vinegar when your dog's skin is extra raw and inflamed. In fact, in most cases you should dilute apple cider vinegar with equal amounts of water for skin treatment. You can apply apple cider vinegar directly by rubbing it into your dog's fur, or mix it in a sprayer and spray effected patches of skin whenever necessary (watch out for their eyes). Adding up to a tablespoon or so of unpasteurized apple cider vinegar to your dog's water or food each day can also be a great way to treat dog skin allergies and ailments from the inside.