Since it's bothering you taking medication consider an alternative. Your Doctor recommended Cognitive Behavioral Therapy (CBT). Studies show that with 20 sessions about
75% experience decrease in symptoms. Other alternatives are:
Exercise
Diet for Depression (do a search)
Yoga & Meditation
5 HTP
St. John's Wort
Multi Vitamin Supplement that contain all the B Vitamins
400 Mg Magnesium Glycinate (very important)
Source Natural Theanine Serene with Reflora. This is a calming complex that acts like a mood stabilizer. Inexpensive and can be purchased at any local health food store.
If you don't get any positive results from CBT & the above recommendations then fill out the prescription. Discuss all of the above with your parents.