I am doing MBBS course and now I am in 1st year.our physiology sir is so horrible and when he comes to our classroom I am feeling extremely anxious.when he aks me some questions I felt very panic at that time.Heart beat was pumping more first then.and due to this I can't understand what he teaches..now a few days I am taking Etizolam (0.25)mg+propanol(10)mg tablets at 7 am.and fluoxetine 10 mg at 9 pm once a day...a psychiatrist doctor prescribed me.but when I take this medicine my symptoms go away but few hours later (12) it again backs.should I take this antidepressants and antianxiety medicines for a life long?? respected doctor I have also some depression problems ...is there any cure of this diesase?