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!
Then I heard that vinegar kills fleas, and I had to give it a try. There are different ways you can use vinegar, such as in the bath, applying directly to your pets fur or skin, or even in their drinking water (dogs only-more info on that below).inegar is very acidic and sour, and fleas just hate it. So mostly it just repels them. The theory is that a flea would starve before it would go near a pet who smells like vinegar. So this is how vinegar kills fleas.