What Are the Symptoms of Depression?

Symptoms that people have when they're depressed can include:
depressed mood or sadness most of the time (for what may seem like no reason)
lack of energy and feeling tired all the time
inability to enjoy things that used to bring pleasure
withdrawal from friends and family
irritability, anger, or anxiety
inability to concentrate
significant weight loss or gain
significant change in sleep patterns (inability to fall asleep, stay asleep, or get up in the morning)
feelings of guilt or worthlessness
aches and pains (with no known medical cause)
pessimism and indifference (not caring about anything in the present or future)
thoughts of death or suicide When someone has five or more of these symptoms most of the time for 2 weeks or longer, that person is probably depressed Teens who are depressed may show other warning signs or symptoms, such as lack of interest or motivation, poor concentration, and low mental energy caused by depression. They also might have increased problems at school because of skipped classes. Some teens with depression have other problems, too, and these can intensify feelings of worthlessness or inner pain. For example, people who cut themselves or who have eating disorders may have unrecognized depression that needs attention