Depending on age and the type of mood disorder, a person may have different symptoms of depression. The following are the most common symptoms of a mood disorder:

• Ongoing sad, anxious, or "empty" mood
• Feeling hopeless or helpless
• Having low self-esteem
• Feeling inadequate or worthless
• Excessive guilt
• Recurring thoughts of death or suicide, wishing to die, or attempting suicide
• Loss of interest in usual activities or activities that were...