I had pain on the right side of the brain and my neck too. When I over due myself I get this way. I've been on celexis for 6 days now 10mg and I take 1mg of valum to help with night anxiety. I have neck tremors some times

And hand tremors. Some days I feel good for 2-3 hours then symtomps come. Like right I feel foggy and light headache and couple neck tremors. I had to bus it to downtown and back 3 hour trip to see insurance company for my engery I feel I get this way when I venture out to do things.