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!
Spraying or washing your dog with a diluted apple cider vinegar solution can restore the acidic nature of your pet's skin, kill off pathogens, and soothe the itch. Adding a bit of apple cider vinegar to your dog or cat's food or water may also help treat itchy skin from the inside, as it does for people.