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.
The Benefits of Apple Cider Vinegar Apple cider vinegar has excellent antibacterial and antifungal properties that give the immune system a good boost, arming your dog with the strength to ward off pests like fleas and ticks and also diseases like parvo virus in dogs and parvo in puppies.