Warning Signs of Depression

Prolonged Negative Emotions

Be on the alert if you feel or sense that friends or family members are feeling negative emotions more persistently. These unhappy emotions can also be described as pessimism, guilt, hopelessness, helplessness or worthlessness. Feeling sad occasionally is normal, but if these negative emotions last longer than a few days or frequently resurface, you may need to speak with a doctor, according to the National Institute of Mental Health.

Reviewed by: 
Review Date: 
July 10, 2014

Last Updated:
July 11, 2014