I have had allergies all my life and sinus problems, but for the last 2 months or so I've had this metallic taste in my mouth. I had read somewhere once that it could have something to do with drainaige or the iron from swallowing blood or something ( I haven't seen any blood). Does anyone else have this issue or know what might cause it. I don't have metal fillings in my teeth.

;) This might be completely off but a metallic taste in the mouth is a symptom of pregnancy.

I'm sure I'm not pregnant :)

Hey i know this might not help you as much but i have had that metallic taste in my mouth for a few months it comes and goes.. i also have allergies all the time i have skin allergies also i still don't have a glue with it is but i think it is my sinus i have heard a metallic taste in mouth could be low iron i went to the doctors to have my checked it was a little low. B ut i still have the taste off and on!!! hope this help in away !

could very well be from a medication that you are taking or even a vitamin or mineral supplement.