No two experiences of serious medical illness are alike. The perception of the impact of a disease and its treatment on day-to-day life including mental health is a very personal experience. It is this subjective perception that creates the quality of life experienced.

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In general terms, diagnosis of a potentially serious or life-limiting illness like cancer can create extreme disruption in the life of almost any individual and those who care for this person. Major illness, or the risk of major illness, may threaten one's general sense of security and often challenges one's illusions of invulnerability.

 

A complex set of psychological issues can arise from the diagnosis and treatment of a serious illness as the person contends with feelings of fear and loss. It is common to fear the unknown, to feel anxious about pain or suffering, and to worry about one's family.  Many also navigate feelings of profound grief including changes to physical appearance and identity, altered roles and relationships, and feelings of loss of control and opportunity. These fears and losses are often expressed in the form of anxiety and depression. 

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Advances in the detection and treatment of many serious conditions, including cancer, mean that many make a full recovery. Others with more advanced disease or ongoing effects from treatment need to adjust to living with a chronic disease. Some with life-limiting illness face a different set of challenges as they make meaning from their experience.

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Importantly, many individuals diagnosed with serious medical conditions, even those with poor prognoses, describe finding benefit and personal growth in their experience. A greater appreciation for life, improved relationships with others and sense of empowerment are commonly reported.

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Regardless of your experience of illness, it is important to remember that taking care of your mental health in the context of illness is not a luxury.