It's 3am and I can't sleep due to very painful sore throat, anyone have any suggestions?

Will my throat close up on me if I sleep? I'm very paranoid, It hurts really bad when I swallow on the top. It all looks a normal colour, I think it's caused by flu

Also I haven't eaten much ( slice of toast) for 2 days cause it really hurts, and my tummy is rumbling really bad

I don't have any pain killers at the moment other than paracetemol

What do you suggest?

Thankssss :)
It's 3am and I can't sleep due to very painful sore throat, anyone have any suggestions?
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