Severe neck pain?

Kelsey • Wifey. Friend. Christian. ❤️
I'm 6po, I'm experiencing some pretty severe neck pain. It hurts to turn my head in either direction or look down, and even when I'm looking straight ahead it feels tight and uncomfortable. I felt fine all day at work, and it didn't get really bad (or at least i didn't notice it) until just a while ago. I haven't done anything strenuous. Any ideas?