Elevated BP: The metallic taste may be the increase flow of blood through your gum tissue. Vigorous exercise increases the blood pressure. The gum tissue is pink because blood is up so high in the layers of skin. A simple diffusion of lymph or saliva into your mouth may cause that taste. However i would more suspect a periodontal (gum disease) issue. Get your dental check-up and ask if you have pocketing.
Answered 9/3/2013
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Evaluation: There are a myriad of reasons for this from reflux to increased salivation, current restorations in your mouth, to other pathology's. If it is something new or something that irritates you, you may need to get evaluated to determine what is causing the metallic taste.
Answered 4/20/2014
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