- Clinical or situational. Depression is a general feeling of sadness and may refer to a chemical imbalance that may be alleviated by medication and may be inherited. Situational depression is when your depression is a direct result of something that is happening now or has happened in the past. This also may be helped by medication.
- Chronic or acute. Chronic depression is when you have a depressed feeling most of the day and/or most days. Acute or severe depression is when you have a deep and unrelenting feeling of sadness that will not ease.
- Mild or Major. Depression can be mild in which case it is not interfering with your daily living. In major depression you have great difficulty performing daily activities.