know what are you anxious about, and what can be done to keep it down.

e.g. some people anxious about when it comes to exam, prepare early and prepare well does keep anxiety low. when you don't prepare enough, obviously you will be more anxious and stress out. also learn to boost your own confidence.

hoping for some drugs won't solve the problem in long term, meanwhile if it is taken in long term may cause more harm than benefit.