Depression symptoms can vary from mild to severe and can include:
Feeling sad or having a depressed moodLoss of interest or pleasure in activities once enjoyedChanges in appetite - weight loss or gain unrelated to dietingTrouble sleeping or sleeping too muchLoss of energy or increased fatigueIncrease in purposeless physical activity (e.g., inability to sit still, pacing, handwringing) or slowed movements or speech (these actions must be severe enough to be observable by others)Feeling worthless or guiltyDifficulty thinking, concentrating or making decisionsThoughts of death or suicide