R hip label repair 12/23/13 r hip psoas release 10/20/14. Today my hip is throbbing and has a lot of pain why?

Varies. You have a complicated case and as such there are many possibilities. A repeat tear of the labrum and scar tissue would probably be among the most likely. An exam and possibly an MRI/arthrogram would probably give some idea. Don't hesitate to seek second opinion as well.