It's very difficult to give any suggestions with out detailed information, but there may be chance of cervical spondylosis
. You need to take care of your neck
by postural correction. Use proper pillow. Avoid forward Bending For long time. Move your neck side to side -up down 8-10 rept. Twice a day. Apply hot fomentation. Continue for 7 days. If you need any more consultation you may contact me. Thank you.