Some common mood disorders in adults include substance induced mood disorders, major depression, dysthymia and bipolar disorder. Mood disorders can be emotionally crippling and compromise the quality of life for affected individuals, notes WebMD.
Individuals with mood disorders are likely to experience various symptoms, including feelings of hopelessness and helplessness, notes Johns Hopkins Medicine. Individuals tend to feel sad most of the time.
They may have to contend with feelings of guilt and low self-esteem. Other general symptoms of mood disorders include difficulty concentrating at work or school, decreased energy, suicidal thoughts or attempts, sleep disturbances, irritability, hostility and aggression.
Major depression is one of the most common mood disorders. It is characterized by persistent feelings of sadness and loss of interest in activities. Individuals tend to feel bored most of the time and may experience slowness in activity and thought.
Dysthymia is a mild version of depression that persists for a long time. This disorder's symptoms tend to last for more than 2 years.
Drugs, alcohol and medicines can cause a disorder known as substance induced disorder. Individuals with this type of disorder tend to have euphoric or irritable moods. They may lose interest in activities they previously enjoyed.
Mood disorders caused by a general medical condition is another common occurrence. Chronic illnesses, infections or severe injuries may lead to symptoms of this disorder.