Major depressive disorder: 8 big signs you need to know

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Depression ranges in seriousness from mild, temporary episodes of sadness to severe, persistent depression.

Clinical depression is the more severe form of depression, also known as major depression or major depressive disorder.

Here are eight signs to help determine if you need to ask your doctor about the major depressive disorder.

Persistent depressed mood

This is a continuous long-term (chronic) form of depression (more than 14 days). You may lose interest in normal daily activities, feel hopeless, lack productivity, and have low self-esteem and an overall feeling of inadequacy.

Inability to feel pleasure

You have an inability to experience pleasure from activities usually found enjoyable. This is called anhedonia. It is a common symptom of depression as well as other mental health disorders.

Weight gain or loss

People with depression or anxiety may experience weight gain or weight loss due to their condition or the medications that treat them.

Depression and anxiety can both be associated with overeating, poor food choices, and a more sedentary lifestyle. Over time, weight gain may eventually lead to obesity.

Sleep loss or hypersomnia

Insomnia is a common sleep disorder that can make it hard to fall asleep, hard to stay asleep or cause you to wake up too early and not be able to get back to sleep. You may still feel tired when you wake up.

Hypersomnia is excessive sleepiness. There are many causes of excessive sleepiness, including insufficient or inadequate sleep, sleep disorders, medications and medical or psychiatric illnesses.

Over fatigue with loss of energy

Depression also can affect your interest in or your ability to perform everyday tasks. Fatigue is one of the most common symptoms of depression.

Feeling of worthlessness and guilt

Excessive, inappropriate guilt and feelings of worthlessness are common symptoms of major depressive disorder.

Worthlessness can be described as a feeling of desperation and hopelessness.

Individuals who feel worthless may feel insignificant, useless, or believe they have nothing valuable to offer the world.

Difficulty thinking and concentrating

Loss of concentration is a symptom of depression. It can also become part of a negative feedback cycle in which losing focus makes depression worse.

Concentration requires that you want to reach a goal that you believe is worth achieving.

Suicidal attempt

People with the major depressive disorder may have recurrent attempts to kill themselves.

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