What is Depression? Symptoms and Clinical Treatment Methods

It is completely natural to feel sad from time to time in the face of life's challenges. However, if this condition lasts for weeks, prevents you from doing your daily tasks, and strips away your joy in life, it might not be a temporary bout of unhappiness but depression—a condition requiring medical treatment. With early psychological support and the right clinical steps, it is possible to overcome this process and regain your quality of life.

• Depression is a common mood disorder that negatively affects a person's feelings, thoughts, and behaviours.
• It manifests not only with psychological symptoms but also with physical ones, such as sleep and appetite disturbances.
• Diagnosis is not based on a blood test, but rather on comprehensive consultations conducted by a specialist doctor or clinical psychologist.
• Cognitive Behavioural Therapy (CBT) and, when necessary, the use of antidepressant medication are highly effective in treatment.
• In advanced cases and when there are thoughts of self-harm, seeking immediate professional help is vital.

What is Depression?

Depression, medically known as major depression, is a serious but treatable illness that negatively affects how a person feels, thinks, and acts. Unlike ordinary sadness or grieving processes in daily life, the pessimism and loss of interest in depression last much longer. It can reach a level that deeply shakes an individual's work, school, and family life. According to World Health Organization data, this condition, which affects millions of people worldwide, can be seen in every age group, from childhood to old age.

An imbalance of chemicals in the brain, such as serotonin, noradrenaline, and dopamine, is one of the fundamental mechanisms of this illness. Therefore, depression is not a lack of willpower or a weakness that a person can overcome on their own; it is a health problem with biological and psychological foundations that requires professional intervention, just like diabetes or high blood pressure. Early psychological support stops the illness from becoming chronic, allowing the patient to quickly regain their life energy.

Causes and Risk Factors of Depression

It is generally difficult to pinpoint a single cause for the onset of depression; the illness mostly develops as a result of a complex combination of biological, psychological, and environmental factors. Genetic predisposition is an important risk factor for individuals with a family history of depression or other mood disorders. Changes in brain chemistry, thyroid problems, and fluctuations in hormone levels, such as during pregnancy or menopause, can be direct triggers.

Among environmental and psychological factors, traumatic life events take the lead. Situations such as the loss of a loved one, divorce, sudden unemployment, financial difficulties, or chronic stress wear down the nervous system and pave the way for depression. Furthermore, long-term physical illnesses, chronic pain, and the side effects of certain medications can also negatively affect mood. The intense pressure brought by city life, in particular, increases the risk of major depression by weakening mechanisms for coping with stress.

What Are the Symptoms of Depression?

Depression symptoms can present in different severities and forms in every individual. While a mental breakdown is prominent in some patients, physical complaints are more noticeable in others. For a diagnosis to be made, these symptoms are expected to persist almost every day for at least two weeks.

Emotional and Cognitive Symptoms

The most common sign is a persistent feeling of emptiness, sadness, or pessimism. There is a profound loss of interest in previously enjoyed hobbies, social activities, or family gatherings. Difficulties in focusing, trouble making decisions, and memory problems can make daily tasks feel insurmountable. The person frequently struggles with feelings of worthlessness, intense guilt, dwelling on past mistakes, and hopelessness about the future.

Physical Symptoms

Alongside the psychological picture, bodily changes are an inseparable part of depression. Serious disruptions in sleep patterns are observed; the person may either wake up towards morning and be unable to fall back asleep, or want to spend most of the day sleeping. Due to appetite changes, sudden weight loss or weight gain linked to binge eating episodes can occur. Back or headaches not rooted in a medical cause, digestive issues, low energy, and getting tired quickly even with the slightest physical activity are frequently reported physical symptoms.

How is Depression Diagnosed?

A diagnosis of depression is made following detailed clinical evaluations by a specialist psychiatrist or clinical psychologist. When you visit the hospital, your doctor will first conduct a comprehensive interview with you to understand when your complaints started, their severity, and their impact on your daily life. Your family history and past traumas are also evaluated during this consultation.

Understanding whether a physical illness is causing depression-like symptoms is a critical step. For instance, an underactive thyroid gland (hypothyroidism), anaemia, or severe vitamin deficiencies (especially B12 and Vitamin D) can create a depressive picture. Therefore, blood tests are requested to rule out organic causes. During the consultation, specialists may utilize standardized depression tests and scales to evaluate your mood more objectively. A definitive diagnosis is made when biological findings and psychological tests are interpreted together by a specialist physician.

Clinical Treatment Methods and Home Care

Depression treatment is personalized according to the severity of the patient's symptoms, age, and general health status. The foundation of treatment consists of psychotherapy, lifestyle changes, and, when deemed necessary, the use of medication.

Psychotherapy and Cognitive Behavioural Therapy (CBT)

In mild to moderate cases, the first choice is usually psychotherapy. Cognitive Behavioural Therapy (CBT), in particular, aims to help the person recognize negative thought patterns and replace them with healthier, realistic thoughts. Applied with the principle of a scientific and holistic approach to mental health, these therapies equip the patient with coping skills. Therapy sessions allow the person to express their feelings in a safe environment.

Medication Treatment

In moderate to severe cases of major depression, antidepressant medications come into play. These medications improve mood by regulating the neurotransmitter balance in the brain. It generally takes 2 to 4 weeks for antidepressants to show their full effect. It is essential that medications are started under a doctor's supervision, used regularly, and discontinued by tapering the dose, again with a doctor's approval. Stopping medication on your own can lead to symptoms returning more severely.

What Can You Do for Yourself During This Process?

Alongside professional support during the treatment process, small steps you take at home can make big differences:

• Set Small Goals: Choose simple tasks you can complete during the day without pushing yourself too hard.
• Keep Moving: Even just a 15-minute walk a day can trigger happiness hormones in the brain.
• Avoid Isolation: A coffee or a short chat with a trusted friend can make you feel less lonely.
• Nutrition and Sleep: Establishing a regular routine helps the body regain its biological balance.
• Do a Digital Detox: Spending too much time on social media can cause you to compare yourself with others' lives and feel more inadequate. Limiting screen time rests the mind.
• Note Down Your Feelings: Keeping a mood journal helps you externalize challenging thoughts and recognize their triggers.
• Stay Away from Alcohol and Caffeine: Although alcohol provides temporary relief, it is actually a substance that deepens depressive symptoms. Excessive caffeine can trigger anxiety.

Complications of Untreated Depression

Untreated depression leads to serious complications that eventually affect a person's entire life. A decline in work or school performance paves the way for career losses and financial problems. Communication breakdowns within the family and social isolation cause the patient to feel even more alone. This situation makes the recovery process increasingly difficult.

Long-term depression also weakens the immune system, increasing the risk of physical ailments such as heart disease, obesity, and diabetes. Additionally, anxiety (generalized anxiety disorder) can frequently accompany the clinical picture of depression. The most dangerous complication is the person completely losing their life energy and succumbing to thoughts of self-harm or suicide. Therefore, it is of vital importance to seek support without wasting time when symptoms are noticed.

When Should You See a Specialist?

If you observe a state of breakdown lasting for weeks in yourself or a loved one, the situation should not be postponed. You must consult a mental health professional if you are experiencing one or more of the following warning signs:

• Deep sadness that lasts for more than two weeks and prevents you from doing your daily tasks,
• Inability to find the strength to get out of bed, go to work, or manage personal hygiene,
• Extreme changes in sleep and appetite patterns (inability to sleep at all or sleeping constantly),
• Intense feelings of worthlessness, guilt, or helplessness,
• Thoughts of death or suicide.

Emergency Warning: If you have thoughts of harming yourself or others, you must immediately call the 112 Emergency Call Centre for help or go to the emergency department of the nearest hospital.

The Depression Treatment Process at BHT CLINIC

Your mental health deserves as much care as your physical health. In the Psychology department at BHT CLINIC İstanbul Tema Hastanesi, we offer a modern, privacy-respecting environment where you can feel safe. Our expert clinical psychologists and psychiatrists are by your side with individual psychotherapy and counselling services for children, adolescents, and adults.

At our hospital, evidence-based methods are applied from the diagnostic stage through to the end of the treatment process. When necessary, our psychiatry and psychology departments collaborate with a multidisciplinary approach. For unexpected crisis situations, our 24/7 emergency department is ready to help at any moment. To invest in your own mental health and begin the professional support process, you can book an appointment and step into more peaceful days with our expert team.

Frequently Asked Questions

How long does it take for depression to pass?

The recovery time for depression varies from person to person, depending on the severity of the illness and the treatment applied. With medication and psychotherapy, a significant improvement usually begins within 4 to 6 weeks. However, for the treatment to be permanent and to prevent the illness from recurring, the process must continue for the duration recommended by the doctor (usually 6-12 months).

Is depression genetic?

Yes, genetic factors have a significant impact on depression. People with a family history of depression or mood disorders have a higher risk of developing this illness compared to those who do not. However, genetic predisposition alone is not enough; the illness usually emerges when combined with environmental stress factors.

Can I trust online depression test results?

Tests found on the internet should only be used to gain general awareness. These tests are not sufficient or scientifically fully reliable for making a definitive diagnosis. An accurate diagnosis is only possible through a comprehensive clinical evaluation conducted by a clinical psychologist or psychiatrist.

Can depression be treated without medication?

In mild and some moderate cases of depression, psychotherapy methods such as Cognitive Behavioural Therapy (CBT) and lifestyle changes can be effective on their own. However, in moderate-to-severe and severe cases, medication is generally mandatory alongside psychotherapy to regulate brain chemistry.

What is the difference between major depression and normal sadness?

Normal sadness is a temporary reaction to a negative event and eases over time; the person can continue with their daily life. Major depression, on the other hand, is a medical condition that lasts for at least two weeks, impairs a person's functionality, can emerge without any apparent reason, and requires professional treatment.

This article is for informational purposes only; please consult your physician for diagnosis and treatment.