help? why do i have this yucky taste in my mouth?12 yrs old... help me plz?

Shawtee[:

New member
the taste is like i drank peroxide/toxin/metal or something
ive been sick since yesterday, and i have this yucky taste in my mouth and i cant seem to get rid of it; ive tryed everything and doesnt work i know i dont have an infection or a rotten tooth.Also my stomach hurts. what do YOU think i could have and i dont know what to do? also could this be a stomach ulcer, this is bleeding?
 
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