most probably u have spondylitis
..but u should also get yr eyes because as u r saying uveitis/iritis
had been there before..get X ray
spine. cervical region and lumbosacral region..r-factor investigation also may be done,pl tell me any family history?? any other problem associated? rheumatoid arthritis??
u should take rest , avoid pillow, avoid sudden jerk in the neck/head movements, u can ask for neck excercise from occupational/physiotherapist. take pain killer with muscle relaxant
. get bone densitometry
of spine, vit D levels in blood, u may take multivitamins and calcium sandoz 1 tab daily with milk,, take fruits rich in calcium like pear etc..