With cold season in full swing and multiple strains of a deadly flu ravaging the country this winter, for most people, staying healthy and finding relief when necessary is a top priority. But what you may not realize is that the very medicines that help provide that much-needed relief from cold and flu symptoms could be doing a number on your oral health. That’s because, according to Wexford, Pennsylvania, dentist Alexandra George, some over-the-counter (and even some prescription) medications are packed with a sneaky hidden ingredient: sugar.

With a flu season that’s being called one of the worst in recent history, preventing the flu has become a major focus for many Americans. From flu shots to over-the-counter medicines claiming to prevent the illness, there's no shortage of options, but that doesn’t mean they’ll work, or that they’ll work on their own. But did you know there are things you can do right from home to help safeguard yourself from the flu (and other illnesses)? Here are some tips to help you stay healthy without even trying.