Painfull mouth sore in the back of mouth, with a white head. What could it be from.?

On the top left side of my mouth, I have a painfull red bump with a white head. Whenever I run my tongue across the sore, it stings. I got the sore about 3 days ago, but I have no idea what it could be. Any suggestions?
it’s not a canker sore, I have had those many times.

It could be strep throat… or gonorrhea.

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2 Responses to Painfull mouth sore in the back of mouth, with a white head. What could it be from.?

  1. JM says:

    Deepthroating a homeless guy?
    References :

  2. realdeal002001 says:

    It could be strep throat… or gonorrhea.
    References :