 [ Symptoms ] i was diagnosed with tendonitis of the wrist in nov 2012 and i still have pain could it have become something worse  the doctor told me to wear the brace he gave me for so long and still have pain an really do not want to take nsaid pain relievers everyday could it also be because i have a vitamin d deficiency that it is not getting better [ Disease ] hi this condition is called as cyanosis its of 2 types  1 central cyanosis  caused due to congenital heart and lung diseases 2 peripheral cyanosis  caused due to low oxygen carrying capacity due to conditions like anemia get 2 d echo and blood checked to confirm the diagnosis consult a paediatrician thanks