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.
Soak a few cotton balls in ammonia, rubbing alcohol or vinegar, then drop the cotton balls in areas you want to keep dogs away from. The smell of ammonia, rubbing alcohol or vinegar is even stronger to a dog than it is to a human, and the smell is also unappealing to dogs.