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Anorexia nervosa



NHS Choices Syndication

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Anorexia nervosa

'When I looked in the mirror, a mound of blubber stared back'

Katie Metcalfe, 21, is starting a creative writing degree at Cumbria University, but seven years ago her life was very different.

“My battle with anorexia started when I was 14. My situation at the time was unusual: I was at a Rudolf Steiner school in Botton Village, near Whitby, in a class with three other boys. The pressure of being the only girl with hormone-raging teenagers was enormous. I had no self-confidence, and my body became a focus of paranoia.

“Stress in my life multiplied when my parents told me there was trouble in their marriage. In addition, we were about to move house.

“Nothing in my life seemed to be right. I started to think that perhaps if I lost some weight and improved my fitness, things would change for the better. I assumed that thin people had fantastic lives and I could too.

“I made a New Year’s resolution to go on a diet, so I began to restrict my eating. I cut out fats, carbs and dairy, and lived on rice cakes, apples and lettuce.

“As I began to lose weight I started to feel that life was worth living. At last I seemed to be achieving something. A voice began to whisper in my ear and as I lost more weight, it became louder. Eventually, it was all I could hear. Nothing mattered more than satisfying the voice’s need for weight loss and, ultimately, perfection.

“My weight dropped from 8.5st to under 5st. My hair fell out, my skin cracked and bled, my bones ached and my periods stopped. I was also cycling between 13km (8 miles) and 24km (15 miles) a day to satisfy anorexia’s need for exercise. But I still didn’t believe I was thin enough. When I looked in the mirror, a mound of blubber stared back.

“My mum took me to the GP when my periods stopped, but they sent me home with a diet sheet, which said I must try to eat more.

“Eventually, I collapsed and ended up in hospital after having a minor heart attack while riding my bike. I was kept on a heart monitor for two days. I was sent home with another diet plan and the simple instruction: ‘eat’.

“Eventually, my GP realised I needed help. I was admitted to a psychiatric ward in a hospital in Middlesbrough, where I stayed for the next nine months.

“I was put on bed rest for five months. My treatment involved cognitive therapy sessions once a week, and I gradually started to eat small amounts of food again. My recovery was slow. What really helped to pull me through was writing and the consistent support from my family.

“I started to write about my experiences and realised that I wanted to recover so I could help others who were battling with the same problem. I gradually got better and went back home the day before my 16th birthday.

“I have had a couple of relapses, but five years on I am fully recovered, with few long-lasting effects. Although I have been diagnosed with the early stages of osteoporosis, my periods have come back, so I can have children.

“I still feel depressed at times, but writing about it helps me get over it. I eat healthily and exercise for pleasure, not punishment. My book, A Stranger in the Family (Accent Press), has been published and I’m about to start a university degree. A few years ago I would never have imagined that.

“If you’re going through what I went through, you must talk about how you are feeling to your parents, friends or doctor, no matter how insignificant you believe your issue might be. It’s vital to express depressive feelings because things only get worse if you bottle them up, and this can lead to major health problems.

“Aim to live every day as though it is your last and not submit to anorexia. Try to defeat anorexia before it defeats you. Always remember that help is out there.”

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Published Date
2014-10-09 10:05:48Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Anorexia nervosa


NHS Choices Syndication

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Anorexia nervosa

Causes of anorexia

The exact causes of anorexia nervosa are unclear, although most specialists believe it is likely to be the result of a combination of factors

Psychological factors

Many people who develop anorexia share certain personality and behavioural traits that may make them more likely to develop the condition. These include:

  • a tendency towards depression and anxiety
  • finding it hard to handle stress
  • excessive worrying and feeling scared or doubtful about the future
  • perfectionism – setting strict, demanding goals or standards
  • being very emotionally restrained
  • having feelings of obsession and compulsion (but not necessarily obsessive compulsive disorder) – unwanted thoughts, images or urges that compel them to perform certain acts

It has also been suggested that some people with anorexia have an overwhelming fear (phobia) of being fat.

Environmental factors

Puberty seems to be an important environmental factor contributing to anorexia. It may be the combination of hormonal changes and feelings of stress, anxiety and low self-esteem during puberty that triggers anorexia.

Western culture and society may also play a part. Girls – and, to a lesser extent, boys – are exposed to a wide range of media messages that constantly reinforce the idea that being thin is beautiful.

Magazines and newspapers also focus on celebrities’ minor physical imperfections, such as gaining a few pounds or having cellulite.

Other environmental factors that may contribute towards anorexia include:

  • pressures and stress at school, such as exams or bullying, particularly teasing about body weight or shape
  • occupations or hobbies where being thin is seen as the ideal, such as dancing or athletics
  • a stressful life event, such as losing a job, the breakdown of a relationship or bereavement 
  • difficult family relationships
  • physical or sexual abuse 

Anorexia often starts off as a form of dieting that gradually gets out of control.

Biological and genetic factors

It has been suggested that changes in brain function or hormone levels may also have a role in anorexia, although it is not clear if these lead to anorexia or if they develop later as a result of malnutrition.

These changes may affect the part of the brain that controls appetite, or they may lead to feelings of anxiety and guilt when eating that improve when meals are missed or after excessive exercise.

The risk of someone developing anorexia is also thought to be greater in people with a family history of eating disorders, depression or substance misuse, which suggests genes could play a role.

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Published Date
2014-10-09 10:07:01Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Anorexia nervosa,Appetite loss,Obsessive compulsive disorder,Weight loss


NHS Choices Syndication

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Anorexia nervosa

Complications of anorexia

If anorexia nervosa is not treated, the condition can lead to a number of serious health problems.

In some cases, the condition can even be fatal.

Other health problems

Long-term anorexia can lead to severe complications and health problems, often as a result of malnutrition. Some of these may improve as the condition is treated, but others can be permanent.

Health problems associated with anorexia include:

  • problems with muscles and bones – including weakness, fragile bones (osteoporosis) and problems with physical development in children and young adults
  • sexual problems – including absent periods and infertility in women, and loss of sex drive and erectile dysfunction in men
  • problems with the heart and blood vessels – including poor circulation, an irregular heartbeat, low blood pressure, heart valve disease, heart failure and swelling in the feet, hands or face (oedema)
  • problems with the brain and nerves – including seizures (fits) and difficulties with concentration and memory
  • other problems – kidney damage, liver damage, anaemia and low blood sugar (hypoglycaemia)

Some people with anorexia can go on to develop another eating disorder called bulimia nervosa. This is where a person binge eats then immediately makes themselves sick or uses laxatives to rid their body of the food.

Pregnancy complications

If you have anorexia and are pregnant, you will need to be monitored closely during pregnancy and after you have given birth.

Anorexia during pregnancy can increase the risk of problems such as:

You are also likely to need extra care and support during pregnancy if you have previously had anorexia and recovered from it.

Published Date
2014-10-09 10:05:39Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Acute renal failure,Anorexia nervosa,Appetite loss


NHS Choices Syndication

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Anorexia nervosa

Diagnosing anorexia

When trying to determine if you have an eating disorder, your GP will probably ask questions about your weight and eating habits.

For example, they may ask:

  • if you have lost a lot of weight recently
  • how you feel about your weight and if you are concerned about it
  • if you make yourself vomit regularly
  • (in women and girls) whether your periods have stopped and, if so, for how long
  • if you think you have an eating problem

It is important to answer these questions honestly. Your GP is not trying to judge you or “catch you out”. They just need to accurately assess your condition.

Weight and BMI

Your GP will usually check your weight. If someone has anorexia nervosa, their weight is generally at least 15% below average for their age, sex and height.

Your GP may also calculate your body mass index (BMI). A normal BMI for adults is 20 to 25. Adults with anorexia generally have a BMI below 17.5. The normal BMI for young people depends on their age, so it may need to be plotted on a special chart.

Other tests

Your GP may not need to carry out any tests to diagnose anorexia nervosa, but they may check your pulse and blood pressure, take your temperature and examine your hands and feet to see if you have signs of any complications of anorexia.

Your GP may also ask you to carry out some simple physical exercises, such as moving between sitting, squatting and standing, to assess your muscle strength.

If you have anorexia, you have a higher risk of developing some heart conditions, such as an irregular heartbeat (arrhythmia). Sometimes an ECG (electrocardiogram) may be needed. This is where a number of electrodes (small, sticky patches) are put on your arms, legs and chest to record the electrical signals produced by your heart.

Your GP may also perform blood tests to check your general health and the levels of chemicals or minerals such as potassium.

Referral to a specialist

If your GP thinks you may have anorexia, they may refer you to a specialist in eating disorders for a more detailed assessment and treatment, although your GP will sometimes carry out this assessment themselves.

Read more about treating anorexia.

Published Date
2014-10-09 10:05:41Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Anorexia nervosa,Blood tests


NHS Choices Syndication

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Anorexia nervosa

Introduction

Anorexia nervosa is a serious mental health condition. It is an eating disorder in which people keep their body weight as low as possible.

People with anorexia usually do this by restricting the amount of food they eat, making themselves vomit and exercising excessively. 

The condition often develops out of an anxiety about body shape and weight that originates from a fear of being fat or a desire to be thin. Many people with anorexia have a distorted image of themselves, thinking that they’re fat when they’re not.

Anorexia most commonly affects girls and women, although it has become more common in boys and men in recent years. On average, the condition first develops at around the age of 16 to 17.

Read more about the causes of anorexia.

Signs and symptoms of anorexia

People with anorexia often go to great lengths to hide their behaviour from family and friends by lying about what they have eaten, or by pretending to have eaten earlier.

Signs that someone may have anorexia or another eating disorder include:

  • missing meals, eating very little or avoiding eating any fatty foods
  • obsessively counting calories in food 
  • leaving the table immediately after eating so they can vomit
  • taking appetite suppressants, laxatives or diuretics (medication that helps remove fluid from the body)
  • repeatedly weighing themselves or checking their body in the mirror
  • physical problems, such as feeling lightheaded or dizzy, hair loss or dry skin

Anorexia can also be associated with other psychological problems such as depression, anxiety, low self-esteem, alcohol misuse and self-harm.

Read more about the symptoms of anorexia.

Getting help

People with anorexia often don’t seek help, perhaps because they’re afraid or don’t recognise they have a problem. Many have hidden their condition for a long time – sometimes years.

The most important first step is for someone with anorexia to realise that they need help and want to get better.

If you suspect someone you know has anorexia, you should try to talk to them about your worries and encourage them to seek help.

This can be a very difficult conversation because they may be defensive and refuse to accept they have a problem. But it’s important not to criticise or pressure them as this can make things worse.

You may want to seek advice from an eating disorder support group such as Beat on how best to broach the subject.

If you think you may have anorexia, try to seek help as soon as possible. You could start by talking to someone you trust, such as someone in your family or a friend, and perhaps ask them to go with you to see your GP.

Read more about Eating disorders: advice for parents and Supporting someone with an eating disorder.

Treating anorexia

Before anorexia can be treated, a physical, psychological and social needs assessment will need to be carried out by the GP or an eating disorders specialist to help determine the most suitable care plan.

In most cases, treatment will involve a combination of psychological therapy and individually tailored advice on eating and nutrition to help you gain weight safely.

A range of different healthcare professionals will usually be involved in your care, such as GPs, psychiatrists, specialist nurses and dietitians.

Most people are able to be treated on an outpatient basis, which means you can go home between appointments. More serious cases are treated in hospital or specialist eating disorder clinics.

Read more about diagnosing anorexia and treating anorexia.

Outlook

It can take several years of treatment to fully recover from anorexia and relapses are common. For example, a woman may relapse if she tries to lose weight gained during pregnancy.

Around half of people with anorexia will continue to have some level of eating problem despite treatment.

If anorexia remains unsuccessfully treated for a long time, a number of serious further problems can develop. These can include fragile bones (osteoporosis), infertility, an irregular heartbeat and other heart problems.

Despite being an uncommon condition, anorexia is one of the leading causes of mental health-related deaths. This can be because of the effects of malnutrition or as a result of suicide.

Read more about the potential complications of anorexia.

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Published Date
2014-10-09 10:05:56Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Anorexia nervosa,Appetite loss,Cognitive behavioural therapy


NHS Choices Syndication

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Anorexia nervosa

See what the doctor sees with Map of Medicine

The Map of Medicine is used by doctors throughout the NHS to determine the best treatment options for their patients. NHS Choices offers everyone in England exclusive and free access to this cutting-edge internet resource, which lets you see exactly what your doctor sees.

The information in the Map has been approved by the UK’s leading clinical experts, is based on the best available clinical evidence, and is continually updated. To take advantage of this unique resource go to:

Map of Medicine: eating disorders 

Published Date
2014-10-09 10:05:51Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Anorexia nervosa


NHS Choices Syndication

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Anorexia nervosa

Symptoms of anorexia

The main symptom of anorexia is deliberately losing a lot of weight, although there are often a number of other physical and psychological signs of a problem.

Intentional weight loss

A person with anorexia will want to weigh as little as possible – much less than is healthy for their age and height. They are so afraid of gaining weight they cannot eat normally.

In an attempt to lose weight, they may:

  • miss meals, eat very little or avoid eating any fatty foods
  • lie about what and when they’ve eaten
  • obsessively count the calories in food 
  • lie about how much they weigh
  • exercise excessively
  • take appetite suppressants, such as slimming or diet pills
  • make themselves vomit – you may notice they leave the table immediately after meals or have dental problems such as tooth decay or bad breath caused by the acid in vomit

They may also take laxatives or diuretics (medication that helps remove fluid from the body), although in reality these have little effect on calories absorbed from food.

Self-esteem, body image and feelings

People with anorexia often believe their value as a person hinges on their weight and how they look. They may think others will like them more or they will feel happier if they are thinner and see their excessive weight loss in a positive way.

They often have a distorted view of what they look like, thinking they look fat when they are not.

Others may try to hide how thin they are by wearing loose or baggy clothes.

Many people also practise a type of behaviour known as “body checking”, which involves persistently and repeatedly:

  • weighing themselves
  • measuring themselves, such as their waist size
  • checking their body in the mirror

People with anorexia also usually have low self-esteem or self-confidence. They may withdraw from relationships, become distant from family and friends, and lose interest in activities they previously enjoyed.

Anorexia can also affect the person’s school work or how well they perform their job.

Other signs of anorexia

Eating too little for a long time can also result in physical symptoms, such as:

In children with anorexia, puberty and the associated growth spurt may be delayed. They may gain less weight than expected – if any – and may be smaller than others of the same age.

Women and older girls with anorexia may stop having their periods (known as amenorrhoea, or absent periods).

Read more about the complications of anorexia nervosa.

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Published Date
2014-10-09 10:05:43Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Absent periods,Anorexia nervosa,Appetite loss,Dental caries,Depression,Weight loss,Weight management


NHS Choices Syndication

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Anorexia nervosa

Treating anorexia

The treatment for anorexia nervosa usually involves a combination of psychological therapy and supervised weight gain.

It is important to start treatment as early as possible, particularly if someone has already lost a lot of weight, to reduce the risk of serious complications of anorexia.

The treatment plan

GPs will normally be closely involved in ongoing treatment, although other healthcare professionals are usually involved, including:

  • specialist counsellors
  • psychiatrists
  • psychologists
  • specialist nurses
  • dietitians 
  • paediatricians – in cases affecting children and teenagers 

Before treatment starts, members of this multidisciplinary care team will carry out a detailed physical, psychological and social needs assessment and develop a care plan.

Most people are treated as an outpatient, which means they visit hospitals, specialist centres or individual members of their care team for appointments, but return home in between.

In more severe cases, people may need to stay in hospital or a specialist centre for longer periods during the day (day patient) or may need to be admitted as an inpatient.

Psychological treatment

A number of different psychological treatments can be used to treat anorexia. Depending on the severity of the condition, treatment will be for at least 6 to 12 months or more.

Cognitive analytic therapy (CAT)

CAT is based on the theory that mental health conditions such as anorexia are caused by unhealthy patterns of behaviour and thinking developed in the past, usually during childhood.

CAT involves a three-stage process:

  • reformulation  looking for past events that may explain why the unhealthy patterns developed
  • recognition  helping people see how these patterns are contributing towards the anorexia
  • revision  identifying changes that can break these unhealthy patterns

Cognitive behavioural therapy (CBT)

CBT is based on the theory that how we think about a situation affects how we act and that, in turn, our actions can affect how we think and feel.

In anorexia, the therapist will attempt to show how anorexia is often associated with unhealthy and unrealistic thoughts and beliefs regarding food and diet. For example, thinking that:

  • “putting on weight is the single worst thing that can happen in my life”
  • “everyone I know secretly thinks I am fat”
  • “if I finish the whole meal then people I am eating with will think I am greedy and worthless”

The therapist will encourage the adoption of healthier, more realistic ways of thinking that should lead to more positive behaviour.

Read more about cognitive behavioural therapy.

Interpersonal therapy (IPT)

IPT is based on the theory that relationships with other people and the outside world in general have a powerful effect on mental health.

Anorexia may be associated with feelings of low self-esteem, anxiety and self-doubt caused by problems with interacting with people.

During IPT, the therapist will explore negative issues associated with your interpersonal relationships and how these issues can be resolved.

Focal psychodynamic therapy (FPT)

FPT is based on the theory that mental health conditions may be associated with unresolved conflicts that occurred in the past, usually in childhood.

The therapy encourages people with anorexia to think about how early childhood experiences may have affected them. The aim is to find more successful ways of coping with stressful situations and negative thoughts and emotions.

Family interventions

Anorexia does not just impact on one individual. It can have a big impact on the whole family. Family interventions are an important part of treatment for young people with anorexia.

Family interventions should focus on the eating disorder. They involve the family discussing how anorexia has affected them. They also help the family understand the condition and how they can help.

Gaining weight safely

The care plan will include advice about how to increase the amount eaten so weight is gained safely.

Physical health – as well as weight – is monitored closely. The height of children and young people will also be regularly checked to make sure they are developing as expected.

Only small amounts of food will be expected to be eaten at first, gradually increasing as the body becomes used to dealing with normal amounts.

The eventual aim is to have a regular eating pattern, with three meals a day, possibly with vitamin and mineral supplements.

An outpatient target is an average gain of 0.5kg a week. In a specialist unit, the aim will usually be to gain an average of around 0.5-1.0kg a week.

See treating malnutrition for more information about what gaining weight at home or in hospital may involve.

Compulsory treatment

Occasionally, someone with anorexia may refuse treatment even though they are severely ill and their life is at risk.

As a last resort in these cases, doctors may decide to admit the person to hospital for compulsory treatment under the Mental Health Act. This is sometimes known as “sectioning” or being “sectioned”.

Treating additional problems

In addition to the main treatments mentioned above, other health problems caused by your anorexia will also need to be treated.

If you make yourself vomit regularly, you will be given dental hygiene advice to help prevent stomach acid damaging the enamel on your teeth.

For example, you may be advised to not brush your teeth soon after vomiting to avoid further abrasion to tooth enamel and to rinse out your mouth with water instead.

You may also be told to avoid acidic foods and mouth washes. You will also be advised to visit a dentist regularly so they can check for any problems.

If you have been taking laxatives or diuretics in an attempt to lose weight, you will be advised to reduce them gradually so your body can adjust. This is because stopping them suddenly can cause problems such as nausea and constipation.

Medication

Medication alone is not usually effective in treating anorexia. It is usually only used in combination with the measures mentioned above to treat associated psychological problems, such as obsessive compulsive disorder (OCD) or depression.

Two of the main types of medication used in people with anorexia are:

  • selective serotonin reuptake inhibitors (SSRIs)  a type of antidepressant medication that can help people with co-existing psychological problems such as depression and anxiety
  • olanzapine – a medication that can help reduce feelings of anxiety related to issues such as weight and diet in people who have not responded to other treatments

SSRIs tend to be avoided until you have started to gain weight as the risk of more serious side effects is increased in people who are severely underweight. They are only used cautiously in young people under 18.

Read more about the side effects of SSRIs.

Published Date
2014-10-09 10:05:45Z
Last Review Date
2014-04-15 00:00:00Z
Next Review Date
2016-04-15 00:00:00Z
Classification
Anger management,Anorexia nervosa,Anxiety,Appetite loss,Cognitive behavioural therapy,Counselling,Depression,Eating disorders,Emotional health development,Healthy eating,Mental health conditions,Mental health specialists,Obsessive compulsive disorder,Psychological therapy,Psychotherapists,Teenagers,Weight loss,Weight management

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