Depression
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- September 5, 2026
- 5 MINS READ
Patient Procedures
Understanding Depression
Depression (major depressive disorder) is a common but serious medical illness that negatively affects how you feel, the way you think, and how you act. It is vastly different from the temporary feelings of sadness or grief that everyone experiences during hard times.
Depression causes a persistent feeling of deep sadness and a loss of interest in activities you once enjoyed, leading to a variety of emotional and physical problems that can disrupt your daily life.
Signs & Symptoms
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A slender tube with a high-definition camera (a laparoscope) is inserted, projecting a brightly lit, magnified view of the internal organs onto a monitor. The surgeon then uses specially designed, precise instruments passed through the other incisions to perform the surgery.
Signs & Symptoms
Depression looks different for everyone, but symptoms must last for at least four weeks for a diagnosis. Common signs include:
- Persistent sad, anxious, or "empty" mood.
- Loss of interest or pleasure in hobbies, activities, and sex.
- Feelings of hopelessness, pessimism, or intense guilt.
- Decreased energy, chronic fatigue, and feeling "slowed down."
- Sleep disturbances (insomnia, waking up too early, or oversleeping).
- Appetite and weight changes (significant weight loss or gain).
- Difficulty concentrating, remembering, or making decisions.
- Frequent thoughts of death, suicidal ideation, or suicide attempts.
Causes & Risk Factors
Depression is a complex condition with no single cause. It typically results from a combination of factors:
- Brain Chemistry: Imbalances in neurotransmitters (chemicals that brain cells use to communicate) play a significant role.
- Genetics: You are more likely to develop depression if you have a blood relative with the condition.
- Hormones: Changes in the body's balance of hormones (e.g., during pregnancy, postpartum, or thyroid problems) can trigger depression.
- Trauma and Stress: Abuse, the loss of a loved one, severe financial problems, or a major life change can trigger an episode.
- Medical Conditions: Chronic illness, chronic pain, or insomnia can contribute to the development of depression.
Diagnosis & Tests
There is no blood test for depression. Our mental health specialists will diagnose the condition through:
- Physical Exam: To rule out physical health problems that could be causing your symptoms.
- Lab Tests: A blood test to check your thyroid function or vitamin levels, as imbalances can mimic depression symptoms.
- Psychiatric Evaluation: A detailed discussion about your thoughts, feelings, and behavioral patterns, often using standard questionnaires based on the DSM-5 or ICD-10 criteria.
Treatment & Management
Depression is highly treatable. The most effective approach usually involves a combination of treatments:
- Psychotherapy: Often called "talk therapy," forms like Cognitive Behavioral Therapy (CBT) help you identify and change negative thought patterns.
- Medications: Antidepressants (like SSRIs or SNRIs) and mood stabilisers (e.g., Lamotrigine) can help modify brain chemistry to improve mood. It may take a few weeks to feel the full effects.
- Lifestyle Changes: Regular exercise, a healthy diet, strictly avoiding alcohol, and sticking to a healthy sleep routine.
- Brain Stimulation Therapies: For severe, treatment-resistant depression, options like Electroconvulsive Therapy (ECT) or repetitive Transcranial Magnetic Stimulation (rTMS) may be recommended.
Why Choose St. Stephen's Hospital for Depression?
Taking the first step to seek help for depression takes immense courage, and you deserve a healthcare team that listens without judgment. At St. Stephen’s Hospital, our Department of Psychiatry and Clinical Psychology provides a safe, completely confidential environment for healing. We offer holistic, customized treatment plans combining advanced medical therapies with compassionate psychological support. You do not have to fight this battle alone. Book a confidential consultation with our mental health specialists today and take the first step toward reclaiming your life.
Frequently Asked Questions (FAQs)
Yes, for mild depression, psychotherapy (like CBT) combined with strong lifestyle changes (rigorous exercise, proper sleep, and diet) can sometimes effectively treat depression without the need for medication. Moderate to severe depression, however, usually requires medication to stabilize brain chemistry.
Sadness is a normal human emotion usually triggered by a specific event and tends to pass over time. Depression is a clinical disorder where the intense sadness or emptiness is pervasive, lasts for more than four weeks, lacks a clear trigger, and physically impairs your ability to function in daily life.
Depression doesn't just affect the mind; it heavily impacts the body. Common physical symptoms include chronic fatigue, unexplained aches and pains, digestive issues, chronic headaches, and significant weight loss or weight gain.
Yes, there is a genetic component. Having a first-degree relative (like a parent or sibling) with depression increases your risk of developing the disorder. However, genetics are only one factor; environment and trauma play equally large roles.
If prescribed antidepressants, it typically takes 4 to 8 weeks for the medication to build up in your system and for you to notice a significant improvement in your mood. Psychotherapy also takes several weeks to begin yielding noticeable coping benefits.
The best way to help is to offer gentle, non-judgmental support. Listen to them, validate their feelings, and encourage them to seek professional medical help. Do not tell them to "snap out of it," as depression is a medical illness, not a choice.
Yes. A diet high in processed foods, refined sugars, and alcohol can worsen inflammation and negatively impact brain chemistry, exacerbating depressive symptoms. A nutrient-rich diet supports overall brain health and energy levels.