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.
Dogs have incredibly sensitive noses, and seem to turn up their nose at the smell of vinegar even more than some humans. Place vinegar in small open containers, soak it into a rag or spray it around areas where dogs are not wanted.