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!
Tip: Add Vinegar To Pet's Water. To get rid of fleas, use apple cider vinegar! Add a bit to your pet's drinking water and it really helps! I have 3 small dogs that are prone to fleas and we no longer have that problem.