If you notice a bitter, metallic, salty, or even foul taste in your mouth that won’t go away, and it doesn’t seem to be caused by anything you ate, you may have a serious oral health problem to worry about. There are many conditions that can affect your sense of taste, and you need to act quickly to figure out what the issue is so that you can have it properly treated. Below are 5 possible causes of a bad taste in your mouth as well as other symptoms you might notice and the solutions available.