Teen Depression Symptoms The following are some of the most common symptoms of teenage depression. These symptoms don't directly correspond to symptoms of major depression, but they're similar. A teenager who meets some of the following will often qualify for a diagnosis of major depression. Frequent sadness , tearfulness , crying Teens may show their pervasive sadness by wearing black clothes, writing poetry with morbid themes, or having a preoccupation with music that has nihilistic themes. They may cry for no apparent reason. Hopelessness Teens may feel that life is not worth living or worth the effort to even maintain their appearance or hygiene. They may believe that a negative situation will never change and be pessimistic about their future. Decreased interest in activities ; or inability to enjoy previously favorite activities Teens may become apathetic and drop out of clubs, sports, and other activities the...