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.
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.