Depression

Everyone feels sad or low sometimes, especially after a loss or disappointment. Depression is different: it lingers, it affects how you think and function, and it often doesn't lift just because circumstances improve. It is not a weakness or a character flaw, and you cannot simply "snap out of it."

Depression can take several forms. Major depressive disorder involves one or more episodes of significant symptoms. Persistent depressive disorder is a longer-lasting, often milder form that can continue for years. Some people experience seasonal patterns, depression during pregnancy or after birth, or depression that occurs within bipolar disorder. Others keep working and socializing while struggling privately, sometimes described as high-functioning depression.

Depression can affect anyone at any age, including children, teenagers and older adults. It often appears alongside anxiety, and it can make physical health conditions harder to manage. The encouraging news is that most people improve with the right support.

Signs of depression vary from person to person, but common depression symptoms include:

• Feeling sad, empty, hopeless or tearful much of the time
• Losing interest or pleasure in activities you used to enjoy
• Tiredness and low energy, even after rest
• Sleeping much more or much less than usual
• Changes in appetite or weight
• Difficulty concentrating, remembering or making decisions
• Feeling worthless, guilty or like a burden
• Moving or speaking more slowly, or feeling restless and agitated
• Irritability, which can be especially common in men and teenagers
• Physical aches, headaches or digestive problems without a clear cause
• Thoughts of death or suicide

You do not need every symptom to be struggling. If several of these have been present most days for two weeks or more, and they affect your work, relationships or daily life, it is worth talking to a professional. An online depression test can be a useful starting point, but it cannot replace an assessment.

Depression usually results from a combination of factors rather than one single cause. These can include:

• Biological factors, such as family history, changes in brain chemistry and hormones, and some medical conditions or medications
• Life events, including bereavement, relationship breakdown, job loss, financial stress or a major move
• Chronic stress, loneliness or social isolation
• Past trauma, particularly in childhood
• Long-term physical illness or chronic pain
• Alcohol or drug use, which can both trigger and worsen low mood
• Personality and thinking patterns, such as perfectionism or a habit of harsh self-criticism

Sometimes depression appears without any obvious trigger, which can leave people feeling confused or guilty. There is no need to find a reason to deserve help. Depression is a health condition, and it is valid to seek treatment whatever its cause.

Depression treatment is effective for most people, and it is usually tailored to how severe the symptoms are and what the person prefers.

Talk therapy is a core part of treatment. Cognitive behavioral therapy (CBT) helps you notice and change thought patterns and behaviors that keep low mood going. Behavioral activation focuses on gradually reintroducing rewarding activities. Interpersonal therapy addresses relationships and life transitions. Other options include acceptance and commitment therapy, mindfulness-based cognitive therapy (helpful in preventing relapse) and psychodynamic therapy.

For moderate to severe depression, a psychiatrist or other prescribing clinician may recommend antidepressants, often alongside therapy. Medication decisions should always be made with a doctor, who can explain benefits, possible side effects and how long treatment might last. Never stop medication suddenly without medical advice.

When depression doesn't respond to first-line treatments, specialists may consider other options. Lifestyle factors such as physical activity, sleep and social connection also support recovery, though they work best as part of a wider plan.

A psychologist, clinical psychologist or other licensed therapist can assess your symptoms and provide talk therapy. A psychiatrist is a medical doctor who can diagnose depression, rule out other causes and prescribe and monitor medication. Your primary care doctor is often a good first contact too.

At a first appointment, expect questions about how you have been feeling, how long it has lasted, your sleep, appetite and energy, and how depression affects your daily life. You may be asked about alcohol use, past episodes, family history and whether you've had thoughts of suicide. These questions are routine and help the professional understand how best to help.

You'll then discuss options together. Many people feel some relief simply from putting their experience into words and having a plan. It may take a little time to find the right therapist or approach, and that is normal.

Seek help soon if low mood has lasted more than two weeks, is getting worse, or is affecting your ability to work, study or look after yourself.

If you are having thoughts of suicide, or thinking about ending your life, please reach out right away. In the US, call or text 988 to reach the 988 Suicide & Crisis Lifeline. In the UK and Ireland, you can call Samaritans on 116 123. If you are in immediate danger, call 911 in the US or your local emergency number.

While you wait for support, try small steps: get outside briefly each day, keep regular sleep and meal times, reduce alcohol, and tell one trusted person how you are feeling. Doing something small is better than waiting until you feel motivated.