According to the Mayo Clinic adjustment disorders or stress-related disorders due to increased stress that leads to problems with work, school, relationships, health, death of a loved one, divorced or other life changes.
Most of this time we are able to adjust with life stressors. These stressors can include divorce, marital issues, interpersonal relationships, retirement, childbirth, going away for college, job loss, death of loved one, financial issues sexual assault, trauma, combat trauma, deployment, natural disasters, medical illness or not feeling safe. But with an adjustment disorder, one can have an emotional reaction with increased feelings of anxiety and depression.
Symptoms of adjustment disorder include sleep issues, lack of appetite, problems with concentration, feelings of being overwhelmed, increased anxiety, unable to enjoy the things he use to like to do, crying spells, difficulty functioning in day to day life. Isolation, avoiding work or paying bills, suicidal thoughts and behaviors. These symptoms may occur after a stressful event and can be persistent and chronic. If suicidality, homicidality or hallucinations occur, call a suicide hotline number — in the United States, call the National Suicide Prevention Lifeline at 1-800-273-TALK (1-800-273-8255) to reach a trained counselor.