Binge eating disorder involves regularly eating large portions of food all at once until you feel uncomfortably full, and then often upset or guilty.
Binges are often planned in advance and the person may buy "special" binge foods.
Men and women of any age can get binge eating disorder, but it typically starts in the late teens or early 20s.
The main symptom of binge eating disorder is eating very large amounts of food in a short time, often in an out-of-control way. But symptoms may also include:
People who regularly eat in this way may have binge eating disorder.
The following warning signs could indicate that someone you care about has an eating disorder:
If you think you may have binge eating disorder, see your GP as soon as you can.
They will ask you questions about your eating habits and how you're feeling, and will check your weight and overall health.
If they think you may have binge eating disorder, or another eating disorder, your GP should refer you to an eating disorder specialist or team of specialists.
It can be very hard to admit you have a problem and to ask for help. It may make things easier if you bring a friend or loved one with you to your appointment.
You can also talk in confidence to an adviser from eating disorders charity Beat by calling its adult helpline on 0808 801 0677 or youth helpline on 0808 801 0711.
If you're concerned that a family member or friend may have binge eating disorder, let them know you're worried about them and encourage them to see their GP. You could offer to go along with them.
With the right treatment and support, most people recover from binge eating disorder, but it may take time.
The main treatments for binge eating are:
Binge eating disorder often causes weight gain (though not always), which can lead to other health problems.
You shouldn't try to diet while you are having treatment as it can make your binge eating worse.
Read more about treating binge eating disorder.
We don't know exactly what causes binge eating disorder and other eating disorders. You may be more likely to get an eating disorder if: