While you may have heard that gargling with apple cider vinegar has a similar effect, you should probably steer clear of this tactic for now, says Dr. Comer. “There is little doubt that apple cider vinegar has antibacterial and possibly antifungal properties in lab studies, but whether or not this translates into helping viral or bacterial sore throats is unknown,” he explains. “Additionally, there are potential significant issues to extended use of vinegar with the tooth enamel—vinegar is acidic, and repeated use can damage tooth enamel.”
It’s been used for thousands of years in Asian medicine to treat stomachaches, diarrhea, and nausea, and studies show that it works for nausea and vomiting. There’s some evidence that it might help with menstrual cramps, too. But it’s not necessarily good for everyone. Some people get tummy trouble, heartburn, diarrhea, and gas because of it, and it may affect how some medications work. So talk to your doctor, and use it with care.