Any dental hygienists or anyone can help?? Tongue issue.

I been having these dark red spots for about 2 days now and I kind of hurts when I touch or or move my tongue a little but is it

Contagious?? I’m not allergic

To anything (not that I know of) and I didn’t bite my

Tongue or whag not.. any one can help please I’m worried.. will it go away on its own.?