Mouth Blister In Sle What Does It Mean If A Blister In Your Mouth Turns Black?

What does it mean if a blister in your mouth turns black? - mouth blister in sle

Look at the in the armed drill team at my school, and one day I was hit in the mouth with the website before my weapon when I was doing something ... is much blead. I had to go to hospital for suturing. been anyway, I noticed the next day, white bubbles beaten into the mouth over a part of my lip was. then the next day has changed from white to black. What is fever? Means that it has a kind of infection? Please help!