Depressive disorder

Major depressive disorder

It is an emotional disorder that causes a feeling of constant sadness and a loss of interest in carrying out different activities. It affects a person's feelings, thoughts and behavior, and can cause a variety of physical and emotional problems.

Persistent depressive disorder (dysthymia)

It is a type of chronic ongoing depression. You may feel sad and empty, lose interest in daily life activities, and be unproductive. You may have low self-esteem, feel like a failure, and feel hopeless. These feelings last for years and can interfere with your relationships, school, work, and activities of daily living.

Premenstrual dysphoric disorder

It is a severe form of premenstrual syndrome (PMS) that causes depression, mood swings one to two weeks before menstruation and resolves once the period begins.

Depressive disorder due to another illness

It is characterized by the presence of depressive symptoms, for a significant and persistent period of time, or a marked decrease in interest or pleasure in all or almost all activities and which is thought to be related to the direct physiological effects of the other condition. medical.

There is a wide range of medical illnesses that can cause depressive symptoms, among them we can highlight:

• Endocrine diseases: Hyperthyroidism, low levels of testosterone, low levels of pituitary hormones, Cushing's syndrome.
• Infectious diseases: AIDS, hepatitis, pneumonia, mononucleosis, tuberculosis.
• Brain and nervous system diseases: Head trauma, sleep apnea, stroke, dementia in early stages, brain tumors.

Substance- or medication-induced depressive disorder

It is characterized by the presence of depressive symptoms associated with the ingestion of a substance, such as drugs, psychotropic medication, or other medication, and a marked decrease in pleasure or interest in all or almost all activities. The substances that can trigger a depressive disorder are varied, from alcohol or illicit drugs to prescribed treatment for a mental disorder or other medical condition. The use of these substances can lead to the development of addiction.