A slide show on Dr. Oz’s website titled, “Dr. Oz’s Top 9 Home Remedies,” suggests using vinegar for a sore throat or persistent cough, as follows:
Mix 1/4 teaspoon of cayenne pepper, 1 teaspoon of apple cider vinegar, 2 tablespoons of water and 1 tablespoon of honey.
To view the slide show, please go to http://www.doctoroz.com/slideshow/dr-ozs-9-best-home-remedies#slide-4. Slide 4 mentions vinegar and is titled, “Sore Throat.”