Why is it important for melissa to have a follow-up with her physician after she begins using these medications?

Different body conditions react to different medications in so many different ways. All similar patients do not have the same reactions to same medicine. For some it do not bring any change in the condition and for some it may give some extreme side effects. So it is necessary for a follow up with the physician for Melissa because he can gauge the effect of medicine to her problem and suggest something that needs to done in addition.