What Is The Treatment For Leg And Arm Pain And Depression?

My legs and arms hurt (in and around vain area too)and im pale and don't feel well and when i eat i gage for like 20 mins and don't throw up i get the feeling sick feeling like 5 times a day even with out eating some times also every little thing gets me mad and it think im going through depression do u know whats wrong with me? Please help.