5 Reasons You Get a Metallic Taste in Your Mouth (And How to Avoid It) A metallic taste or constant dry mouth are symptoms you should never ignore. These issues can often signal underlying medical or oral health concerns. Low saliva allows bacteria to grow which Why Do I Have A Metallic Taste After Fillings? Dental Clinic Metallic Taste in Mouth: Causes, Misconceptions, Treatment, and More Feeling worse after B12 Injection: Answering concerns. La Vie Med Spa