This may occur because the depression has been going on for a long time or because the symptoms are troublesome. The symptoms of depression vary from unhappiness to misery and despair, and even suicidal thoughts. Concentration is often lost and the sufferer has difficulty in coping with home and work. The appetite is affected and weight loss may occur. Sleep may be disturbed, either with difficulty getting off to sleep or waking in the middle of the night or early morning.
Symptoms are often worse in the morning and uncontrollable crying can occur.
Memory may be affected and sex drive may be lost. Symptoms of anxiety may occur and may show itself as headaches, tension pains or palpitations. In severe instances, feelings of guilt and worthlessness and sometimes even hallucinations can occur. Depression can occur due to a multitude of causes. It may be a result of a physical illness, bereavement, alcoholism, childbirth, or severe life events.