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!
Apple Cider Vinegar. Enlist the help of apple cider vinegar in your battle against flies. Apple cider vinegar is a natural fly repellent that you can apply topically to your dog or add to his food and water. Since most dogs donât appreciate the taste, though, your best bet is to dilute apple cider vinegar with water 1:1 in a spray bottle and apply it to your dogâs ears and face.