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Personality disorders

Explains personality disorders, including possible causes and how you can access treatment and support. Includes tips for helping yourself, and guidance for friends and family.

Mae'r dudalen hon hefyd ar gael yn Gymraeg. This link will take you to a Welsh translation of this page.

What are personality disorders?

Our personality is the collection of thoughts, feelings and behaviours that makes each of us the individuals we are.

We don't always think, feel and behave in exactly the same way – it depends on the situation we are in, the people with us and many other interconnecting factors.

However, if you experience significant difficulties in how you relate to yourself and others and have problems coping day to day, you may receive a diagnosis of personality disorder.

Everyone is shouting at me, 'why do you find things so difficult? Why can't you just be normal?' and I try and explain that I'm on a tightrope way in the air, and they all have their feet on the ground, but they all just laugh.

What are the signs of a personality disorder?

You might be given a diagnosis of personality disorder if all of these apply:

  • The way you think, feel and behave causes you significant problems in daily life. For example, you may feel unable to trust others or you may often feel abandoned, causing you or others distress in day-to-day relationships.
  • You experience these problems across different aspects of your life. For example, you may struggle to start or keep friendships, to control your feelings and behaviour, or get on with people. There may be an intensity to your emotions that makes them feel frightening and overwhelming sometimes.
  • These problems continue for a long time. These difficult patterns may have started when you were a child or teenager and can carry on into your life as an adult.
  • These problems are not solely caused by a substance or a medical condition. For example, using drugs or medication can cause changes in people, as can the physical effects of experiences like head trauma.
Woman facing the camera looking down and to the right was a content expression

How I've managed to live with a personality disorder... or two

[It] doesn't mean that there is something wrong with my personality... it means that I think, feel and behave differently from most people.

Read Rachel's story

Does it mean there's something wrong with who I am?

No. We all have parts of our personality that can cause us or others difficulties.

What is different for people with personality disorders is the intensity of these difficulties and the fact that you might need extra support. See our page on self-care for tips on how to help yourself now and in the longer term.

The important thing to remember is that we're not broken, we just think differently and experience the world in a different way... there's no shame in doing whatever we need to do to cope with our emotions in a safe and supportive way.

Who can diagnose me with a personality disorder?

You can only be diagnosed with a personality disorder by a mental health professional experienced in diagnosing and treating mental health problems, such as a psychiatrist or psychologist – not by your GP.

If you speak to your GP about your mental health and they think you might have a personality disorder, they can refer you to your local community mental health team (CMHT) who will be able to assess you.

Initially I took this diagnosis of BPD as an insult, a criticism of my whole being, but then I began to understand that it is just a diagnosis, an explanation of why I feel as I do. Just as in a medical situation the pain in my stomach being diagnosed as appendicitis means that I am ill, there is a reason for the pain and I can get treatment.

This information was published in January 2020. We will revise it in 2023.

References and bibliography available on request.

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