Categorization of depression
Depression and mania are categorized on the basis of the following principles:
1. Degree of severity:
- Mild depression
- Moderate depression
- Severe depression
2. Course:
- Episodic
- Periodic
- Chronic
- Bipolar
3. Manic depression or just depression
4. With or without psychotic symptoms
5. Other depressive disorders:
- Melancholia
- Atypical depression
- Agitated depression
- Masked depression
- Seasonal affective disorder (SAD)
- Postnatal depression
- Elderly depression
- Double depression
- Secondary depression