Persistent sadness, emptiness, or hopelessness
Loss of interest or pleasure in activities once enjoyed
Changes in appetite or weight
Sleeping too much or too little
Fatigue or low energy
Feeling worthless, guilty, or self-blaming
Difficulty concentrating, thinking, or making decisions
Slowed movements or speech, or noticeable restlessness
Irritability, frustration, or agitation
Withdrawing from friends, family, or social activities
Frequent crying or emotional numbness
Physical complaints such as headaches or stomachaches without a clear cause
Decline in work, school, or daily functioning
Talking about death, dying, or suicide
Self-harm or risky behavior
Symptoms lasting most of the day, nearly every day, for two weeks or more