Add Yahoo as a preferred source to see more of our stories on Google. Anyone who has ever used mouthwash has seen the label that says "Do Not Drink" and wondered just how bad it could really be. If it ...

A 77-year-old man experienced impaired vision in both eyes due to ingesting large amounts of mouthwash for more than a year following a root canal procedure, according to a case report recently ...

Share on Pinterest Experts say alcohol-free mouthwash might be healthier for some people. Capuski/Getty Images Researchers report that alcohol-based mouthwash may contribute to different levels of ...

>Q. My sister is drinking mouthwash on a daily basis. What internal damage would be done from drinking 20 or 30 ounces of mouthwash every day for a year? She had her gallbladder removed two months ago ...

Anyone who has ever used mouthwash has seen the label that says "Do Not Drink" and wondered just how bad it could really be. If it's safe enough to swish around in your mouth, how bad can it be to ...