The exact cause of depression is not known. It is likely due to environment, personal traits, and stress.
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Depression is more common in women. Many things can raise the risk of depression such as:
- A personal or family history of depression or anxiety
- Long-term illness
- Childhood abuse, neglect, or trauma
- Alcohol and drug abuse
- Stress, loss, or major life changes
- Other mental illnesses or brain injury
- Partner abuse
- Little or no social support
Depression can differ from person to person. Some have only a few symptoms, while others have many. Symptoms can change over time and may include:
- Feelings of sadness, anxiety, or emptiness
- Loss of interest in hobbies, activities, or sex
- Feeling helpless, hopeless, or guilty
- Sleeping too much or too little
- Feeling tired, restless, or irritable
- Problems with focus, memory, or decisions
- Changes in eating or weight
- Thoughts of death or suicide
Sometimes there are physical symptoms. Examples are aches and pains that cannot be explained.
The goal is to ease symptoms and decrease effect on day-to-day life. Treatment depends on the type of depression and how severe it is. Severe depression may need hospital care. Care is urgent if someone might hurt themselves or others. Call or text 988 for the US National Suicide and Crisis Lifeline. They will connect you to a free counselor for support. If you are a Veteran, call 988 and then press '1'.
Treatment may include a combination of the following:
Medicines, such as:
- Mood stabilizers and antipsychotics—if needed
- Medicines for anxiety and sleep—usually short term
- Ketamine as a nasal spray or IV—may be used if other options do not work
- Other medicines
- Counseling such as cognitive behavioral therapy and others—to improve coping
Lifestyle changes such as:
- Healthy diet with B vitamins and omega-3 fatty acids—may help ease symptoms
- Daily exercise—may help boost mood
- Supplements, such as St. John's wort and DHEA—may help some
Other treatments may be:
- Light therapy—sitting near an ultra-bright light for a certain time each day
- Sleep deprivation therapy—a short term option that may improve mood
Sometimes symptoms are severe and other treatments do not work. In this case, options may be:
- Electroconvulsive therapy (ECT)—a brief electric pulse to the brain to help reset it
- Trascranial magnetic stimulation (TMS)—Magnetic pulses aimed at certain brain regions
- Vagus nerve stimulation (VNS)—an implanted device that may alter signals to the brain
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Edits to original content made by Denver Health.
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