Dr. MJ Bazos MD,
Patient Handout
BULIMIA
NERVOSA
About Your
DiagnosisThe most important feature in
bulimia nervosa is the occurrence of episodes of binge eating. During these
episodes, the individual consumes a large amount of food. These episodes of
overeating are also associated with a sense of loss of control on the part of
the patient. Once the eating has begun, the individual feels unable to stop
until a large amount, often an excessive amount, has been eaten. However,
patients with bulimia nervosa are able to stop eating if they are interrupted by
the unexpected arrival of some individuals. After the overeating, individuals
with bulimia nervosa engage in inappropriate behavior to avoid weight gain, such
as deliberate vomiting or the abuse of laxatives. In addition, they may misuse
water pills, fast for long periods, or engage in strenuous exercise after eating
binges. To establish a diagnosis of bulimia nervosa, the overeating episodes
must occur at least twice a week for 3 months and must be accompanied by the
behavior designed to avoid gaining weight. In addition, patients with this
condition must exhibit an overconcern with their body’s shape and weight;
that is, they tend to associate much of their self-esteem with how much they
weigh. It is important to keep in mind that simple binge eating at times, which
is common, does not meet the criteria for bulimia nervosa. There must be the
additional sense of lack of control, the overconcern with bodily appearance, and
the recurrent behavior designed to lose the weight that may have been gained.
There seems to be a high incidence of psychiatric disorder among bulimic
patients. Such conditions as anxiety and depression, drug and alcohol abuse, and
personality disorders are common. The cause of bulimia nervosa is uncertain. We
do know, however, that it is more common in adolescent girls or young adult
women. A personal or family history of obesity and/or depression also appears to
be a risk factor, and such factors as society’s preoccupation with
slimness and physical fitness may also play a role. Bulimia nervosa is 10 times
more common among women. It also occurs more frequently in certain occupations,
such as modeling, and certain sports, such as wrestling, running, and horse
racing. There may be an association between sexual abuse as a child and bulimia
nervosa; however, this has not been scientifically determined. Bulimia nervosa
is associated with a number of physical abnormalities secondary to the
condition. These include the development of dehydration, as well as abnormal
laboratory test results, caused by deliberate vomiting or the use of laxatives
or water pills. Women who have this disorder are more likely to have menstrual
problems, and in particular, individuals who engage in self-induced vomiting for
many years may develop dental caries, especially of the upper front teeth. The
acid from the stomach seems to soften the enamel, which in time disappears, so
that the teeth chip more easily and may become smaller. It also may be that this
condition is associated with an enlarged stomach and a slowed emptying of the
stomach, both of which may increase the likelihood that the individual may be
able to tolerate binge
eating.Living With Your
DiagnosisBulimia nervosa usually
occurs after a young woman who sees herself as overweight starts a diet, and
after some early success with the diet begins to overeat. She then becomes
distressed by her lack of control and her fear of gaining weight, and decides to
make up for the overeating by causing vomiting or taking laxatives, usually
having heard about these things from her friends or from media reports about
eating disorders. After determining that she can successfully induce vomiting,
she may feel pleased for awhile that she can eat large amounts and not gain
weight. However, the disease is progressive and the binge eating usually
increases in size and frequency, and often the sense of lack of control
increases as well. Binge eating tends to occur in late afternoon or evening and
almost always occurs in a secretive manner, usually while the patient is alone.
Studies suggest that the typical binge meal contains 1,000 or more calories
consisting of sweet, high-fat foods that are usually eaten for dessert, such as
ice cream, cookies, cake, and candy. The behavior designed to avoid gaining
weight usually starts right after the meal is eaten. Some individuals who have
bulimia nervosa enjoy being around food whether they are eating or not. They
enjoy preparing food for others, enjoy going to restaurants, and often enjoy
working in areas where food is prepared. Whenever evaluating someone for bulimia
nervosa, it is very important to obtain a specific history to un-cover any
behavior that might be life-threatening, such as the use of water pills,
amphetamines, diet pills, laxatives, and
enemas.TreatmentThe
goal of treatment in bulimia nervosa is very simple. It is to decrease and then
to end the binge eating and the inappropriate behavior afterwards designed to
lose weight, as well as to help patients realize that self-esteem should be more
appropriately based on factors other than their actual body weight. In general,
patients with bulimia nervosa are much easier to treat than those with anorexia
nervosa, because the patient with bulimia
generallyrecognizes that there is a
problem, so the struggles for control so often seen with anorexic patients are
not seen with these individuals. The most common treatment at this time is a
combination of cognitive and behavioral therapy. The cognitive component of the
therapy concentrates on the abnormal thinking individuals may have about weight,
and hopefully allows them to recognize that their self-image is based on other
factors. Cognitive/behavioral therapy can be given either in individual sessions
or as a group. The behavior aspect of this therapy may also involve positive
feedback for desired behavior. The other commonly used treatment has been drug
therapy, particularly with antidepressant medication. Although it was originally
thought that antidepressants would be used to treat the depression that was
frequently seen among these patients, we have now seen a number of patients
without significant depression who have benefitted from antidepressant therapy.
The most popular antidepressant drug for treating bulimia nervosa is fluoxetine
(Prozac), administered at a dosage of 60 mg a day. It has been studied in many
large trials and appears to be effective compared with other alternatives. There
are other special examples of bulimic patients, some of whom may be diabetic and
who may purge themselves by omitting insulin dosages. In such particularly
hard-to-treat cases, hospitalization may be required. It is important to keep in
mind that the consequences of the binge eating and the attempts at purging can
in many cases be
life-threatening.The
DOs• You should eat your meals
with family members and not eat alone. This will decrease the likelihood of
excessive eating.• Because
depression and stress may play a role in the overeating and binge pattern, it is
important to reduce stress, perhaps by means of relaxation training or
meditation.• You should contact your
physician if any significant mood disorders or suicidal thoughts
develop.The
DON’Ts• You should not go
shopping for food when you are already hungry. It is best to have a meal and
then go shopping, and it might be a good idea to have someone go shopping with
you to decrease the likelihood of buying more of the high-calorie, less
nutritious food.• You should not
take any medications without talking to your doctor. You should particularly
avoid the use of so-called diet pills, which are usually high in caffeine or
contain amphetamines. You should also not use laxatives or enemas unless
instructed to do so.• You should not
overexercise. When exercising, it should be of moderate intensity and should be
done in the company of someone else to provide some limits to the tendency to
overexercise as a way of
purging.When to Call Your
Doctor• If you notice any of the
physical complications related to this condition that were previously
mentioned.• If you are feeling the
urge to overeat or binge and are unable to control
it.Websites:Eating
Disorders:http://pathfinder.com/HLC/lookitup/conditons/eat.htm/This
site contains a list of self-help reading material, and strategies for coping
with bulimia.http://www.well.com/user/selfhelp/bulimia.htmThis
site includes contact information for “Overeaters
Anonymous.”