“These are the most common types of mood disorders:
- Major depression. Having less interest in usual activities, feeling sad or hopeless, and other symptoms for at least 2 weeks may indicate depression.
- Dysthymia. This is a chronic, low-grade, depressed, or irritable mood that lasts for at least 2 years.
- Bipolar disorder. This is a condition in which a person has periods of depression alternating with periods of mania or elevated mood.
- Mood disorder related to another health condition. Many medical illnesses (including cancer, injuries, infections, and chronic illnesses) can trigger symptoms of depression.
- Substance-induced mood disorder. Symptoms of depression that are due to the effects of medicine, drug abuse, alcoholism, exposure to toxins, or other forms of treatment.”
Overview of Mood Disorders. (n.d.). Retrieved from https://www.hopkinsmedicine.org/healthlibrary/conditions/mental_health_disorders/overview_of_mood_disorders_85,P00759