Your kid is taking the medication of certain antidepressants. It means the symptom is severe. There are many antidepressants in the market. You should know what the side effects are. Some research papers show that severe depression might lead to suicide. Very often people with depression also are experiencing the anxiety or personality mental disorders. So do not put any pressure on your kid.
http://www.medicinenet.com/antidepressants/article.htm