Depression - Symptoms, Causes & Treatment
Depression (major depressive disorder) is a common and serious mood disorder that causes persistent feelings of sadness, hopelessness, and loss of interest in activities, affecting how you feel, think, and handle daily activities.
Overview
Depression is more than just feeling sad. It is a serious medical condition that affects millions of people worldwide. In India, an estimated 56 million people suffer from depression, making it one of the most common mental health conditions.
Depression is treatable with a combination of medication, therapy, and lifestyle changes. Early intervention leads to better outcomes. There is no shame in seeking help — depression is a medical condition, not a personal weakness.
Symptoms of Depression
- FatiguePrimary
Fatigue is a feeling of persistent tiredness or exhaustion that does not improve with rest. It can be physical, mental, or both, and may indicate an underlying health condition.
- InsomniaPrimary
Insomnia is a sleep disorder characterized by difficulty falling asleep, staying asleep, or getting quality sleep, despite having adequate opportunity for sleep.
- Weight Loss
Unexplained weight loss is a decrease in body weight that occurs unintentionally and without a clear reason. It can be a sign of an underlying medical condition.
Causes of Depression
Chemical imbalances in the brain (serotonin, norepinephrine, dopamine)
Genetic predisposition and family history
Traumatic or stressful life events
Chronic medical conditions
Certain medications
Hormonal changes (postpartum, menopause)
Substance abuse
Social isolation
Treatment for Depression
Psychotherapy (cognitive behavioral therapy, interpersonal therapy)
Antidepressant medications (SSRIs, SNRIs)
Combination of therapy and medication
Lifestyle modifications (exercise, sleep hygiene, nutrition)
Mindfulness and meditation practices
Electroconvulsive therapy (ECT) for severe cases
Support groups and peer support
Prevention
Maintain regular physical activity
Build strong social connections
Practice stress management techniques
Get adequate sleep (7-9 hours)
Limit alcohol and avoid substance use
Seek help early when feeling persistently low
Practice mindfulness and relaxation techniques
Risk Factors
Family history of depression
Previous episodes of depression
Major life changes or trauma
Chronic illness or pain
Certain medications
Substance abuse
Social isolation
Low self-esteem
When to See a Doctor
See a mental health professional if you experience persistent sadness lasting more than two weeks, loss of interest in activities you used to enjoy, changes in appetite or sleep, difficulty concentrating, feelings of worthlessness, or thoughts of self-harm. If you or someone you know is in crisis, call a helpline immediately.
Need help with Depression?
Talk to our care team — we'll help you find the right specialist near you.
Which Doctor to Consult for Depression
If you are experiencing symptoms of depression, you may want to consult a specialist in one of these areas:
Related Conditions
These conditions share similar symptoms with depression and may be relevant:
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PCOS
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Hypothyroidism
Hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormones, leading to a slowdown of the body's metabolic processes.
Hyperthyroidism
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Allergic Rhinitis
Allergic rhinitis (hay fever) is an allergic response causing sneezing, congestion, itchy nose, and runny nose when you breathe in allergens like pollen, dust, or pet dander.
Sleep Apnea
Sleep apnea is a serious sleep disorder where breathing repeatedly stops and starts during sleep, leading to poor sleep quality and oxygen deprivation.
Medical Disclaimer
The content provided on Zospital is for general informational and educational purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website. If you think you may have a medical emergency, call your doctor or emergency services immediately.