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.
Washing Your Dog with Apple Cider Vinegar. 1  1. Make a rinse to improve your dog's skin and coat. 2  2. Clean out your dog's ears using ACV. 3  3. Spray your dog's coat to repel fleas.  4. Bathe in ACV-soap mixture to fight 1  fleas. 5. Use a flea comb to remove the fleas.  6. Rinse your dog.
Apple cider vinegar has also been successful in treating itchy paws and allergies in dogs. Put one tablespoon of apple cider vinegar in your dog's food twice each day for healthier skin and fur. Apply the apple cider vinegar to the dog's paws either directly or with a spray bottle.