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 can also be used in other ways to repel fleas, including: â¢ Add it to your petâs food. Use about 1 teaspoon apple cider vinegar per every 20 pounds of dog. I donât recommend adding vinegar to your petâs water because many dogs dislike the taste and consume less than adequate amounts of water. â¢ At bath time. You can pour diluted apple cider vinegar over your pet during bath time as a flea-preventive treatment. I use 1 cup of vinegar to 1 gallon of water.