Since Last Two Years Iam Feeling Tired, Sleepy And Unstable

Since last two years iam feeling tired, sleepy and unstable Iin standing position. All check ups done and doctors refered me to ppsychology department for anxity treatment.but here psychologist thinks that my symptoms are very mild and I should go back to general physical. But they are nt treating me as they consider me anxiety patient.what should I do?