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.
Soothes itchy ears. Diluting apple cider vinegar with 50 percent water provides a solution for a common dog problem: itchy ears. Just use a cotton swab or gauze pad soaked in the diluted vinegar. If itchy ears continue, your dog may be allergic to something in his diet.
One of the ways vinegar kills fleas on pets is to add it to their drinking water. Some say that a bit of apple cider vinegar in their water will alter their skin, making it unpalatable (acidic) to the fleas.Pros: There are many fans of this method, who swear that doing this with their dog really helps get rid of fleas.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.