Hello and welcome!
I too am sorry to hear of your anxiety/symptoms that are currently challenging you.
Hibee has advised you well, so I will just add some links specifically for D/P that may help.
Depersonalization-derealization symptoms:
http://psychcentral.com/disorders/depersonalization-derealization-disorder-symptoms/
Self help for D/P
http://www.sound-mind.org/depersonalization.html
Book recommendation and information on D/P
http://www.overcoming.co.uk/single.htm?ipg=8746
See also our whole Resources as he suggests, for stress relieving exercises that are key for anxiety management!
Keep posting with us as well...we understand and care.:)
Scaredy Cat