Tips on soothing a pinched nerve?

I think is a pinched nerve at least, last night I was doing some boxing with my mate and I pulled something in my neck. (Not spine) it feels like a nerve and I’m in excruciating pain… I can barely turn my head and move without it bothering me. On Google, it said if it doesn’t go after a few days the doctor…

Have any of you had it this painful before? I’m not sure it’s normal. Also any tips on how to soothe it? The heat pack doesn’t work that well on me.
Tips on soothing a pinched nerve?
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