Generalized anxiety disorder | Worry about a specific concern | Early 20s | Restlessness, motor tension, fatigue | Chronic | Generalized anxiety disorder, panic disorder, alcohol abuse |
Panic disorder | Intense, brief, acute anxiety; frequency of attacks variable; often no precipitant | Bimodal onset (late adolescence, mid-30s) | Rapid heart rate, trembling, diaphoresis, dyspnea | Variable periods of remissions and relapses | Panic disorder, major depression, alcohol abuse |
Major depression | Persistently low mood; may be accompanied by persistent anxiety | Mid-20s | Neurovegetative symptoms (e.g., insomnia, lack of appetite, guilt) | Symptoms remit but may recur | Major depression, alcohol abuse |