What if nobody knows, but your day already revolves around eating and trying to undo it? You may be meeting deadlines, caring for others, or sitting through dinner while thinking about what happens next. The fact that you can keep going does not show that the pattern is safe.
Bulimia nervosa can be hard for others to see. It does not need a visibly thin body. Its costs may first appear as private distress, trouble with your teeth, or symptoms you have been explaining one at a time. You can ask for help before the whole story feels ready to tell.1
The part that appearance cannot explain
Bulimia involves repeated binge episodes with loss of control. These are followed by behaviors meant to undo or make up for eating. Shape or weight also has too much power over the person’s self-worth. A clinician looks at these features together. The diagnosis is not based on how someone looks after a meal.1
A binge is more than eating past comfort at a celebration. Clinicians ask whether the amount was unusually large for the situation. They ask about the sense that you cannot stop or choose what happens, and the distress around it. They also ask what follows. You do not need to bring food amounts or prove that an episode was large enough to deserve care.
Binge-eating disorder has repeated binges and marked distress. It lacks the regular pattern of trying to undo eating that defines bulimia. There is also a group called other specified feeding or eating disorders. One example is purging disorder, where a person tries to undo eating again and again without the binge episodes that bulimia requires.12 Other eating disorders can include similar behaviors. A clinician works out which diagnosis fits. Symptoms can still cause serious harm even if they do not meet all its criteria.12
Shame may make it hard to name any of this. You might fear that sharing the concern will change how a partner sees you. You might worry that a clinician will focus only on weight, or that care will cost more than you can manage. You can state those fears at the start. They are part of the care conversation, even if you do not yet have answers.
An ordinary visit can open the door
Teeth can show damage that a person has learned to live around. A review of studies linked eating disorders with erosion, or loss of the tooth surface. Changes in saliva, mouth tissues, and tooth sensitivity also need attention. Much of this evidence came from studies of females. What an oral exam finds can differ from person to person. A dental sign alone cannot diagnose bulimia.3
Reflux has many causes. So do a sore throat and swollen glands near the jaw. In the context of repeated vomiting, though, these symptoms may fit a wider medical picture. Treating each symptom on its own can leave the eating pattern out of care. It helps to tell the dentist or primary-care clinician about eating and efforts to undo it.4
You do not have to wait for a specialist appointment to say something. A dentist can treat oral problems, ask respectful questions, and help connect you with medical and mental-health care. A primary-care clinician can assess your overall health and start referrals. Neither visit needs to settle every part of the diagnosis at once.
If speaking feels too hard, you can hand over a note. Ask to talk in private if someone came with you. You can also ask what will be documented and who can see it. For younger patients, clinicians should explain privacy and the role of caregivers in words the young person can understand.
A dental exam does not clear the rest of the body. Teeth that look healthy do not rule out an eating disorder. Teeth that need treatment do not reveal how medically stable you are today. Oral care and whole-body care have different jobs, and you may need both.35
Some medical effects are quiet
Fluid loss and shifts in electrolytes can affect the heart and other organs. Electrolytes are minerals that help nerves and muscles work. An unsafe change may not come with a clear warning that tells you what is wrong. Weakness, dizziness, or a racing heart also have other possible causes. These symptoms need an assessment rather than a guess.4
A normal blood test at one visit does not rule out bulimia. It also does not promise that the next period of illness will be safe. A useful assessment brings together your eating history, current symptoms, exam, and medicines. It also includes tests the clinician thinks you need. It considers change over time.45
Tell the clinician about all medicines and supplements, including products bought without a prescription. You do not need to defend why you used them. One antidepressant, bupropion, sold as Wellbutrin and in some quit-smoking products, should not be used by anyone who has bulimia now or has had it before, because it raises the risk of seizures in these patients.13 That is one reason your eating history belongs in the conversation with every prescriber. This helps the team check how drugs may interact, review health risks, and plan the support you need. If you have also restricted food for a long time, restoring nutrition may need medical supervision. Ask for prompt help with that plan.5
Treatment has more than one task
Medical care addresses immediate health risks. Nutrition care helps rebuild eating that can meet your needs. Therapy focused on eating disorders works on the patterns, beliefs, and distress that keep the illness going. These tasks can overlap. You should not have to choose between having physical symptoms taken seriously and getting help with the eating disorder.6
Cognitive behavioral therapy focused on eating disorders is often shortened to CBT-ED. It can address rigid eating rules, binge eating, and efforts to undo eating. It also looks at the role of shape and weight in self-worth. Enhanced CBT, or CBT-E, is a specific form within this broader family. The names are related, but they do not all mean the same treatment.67
Guidelines do not all use one sequence. For adults with bulimia, the American Psychiatric Association recommends eating disorder-focused CBT plus a serotonin reuptake inhibitor, a type of antidepressant. The medicine may be started along with therapy, or added if therapy alone has brought little or no change by about six weeks. The UK NICE guideline considers guided self-help first for some adults. One-to-one CBT-ED follows when that approach does not fit or help. Both put structured therapy in a central role.67
Guided self-help means using a treatment program with support from a trained care provider. It is not a request to fix the illness alone with a book. Specialist therapy may be a better fit when symptoms, risk, prior treatment, or your circumstances call for more help.
One trial assigned people to groups by chance. A focused CBT treatment helped symptoms improve faster than a much longer course of psychoanalytic therapy. That finding supports a defined eating disorder treatment, not the claim that every person will respond to the same therapist or format. Your team should review whether the approach is helping and what needs to change.8
Where fluoxetine fits
Fluoxetine is sold under the brand name Prozac and as a generic. In the United States, it is FDA-approved to treat binge-eating and vomiting behaviors in people with moderate to severe bulimia. The studies behind that approval were done in adults, and the label gives a dose only for adults. That approval is for bulimia. It is different from the drug’s approvals for other conditions and age groups.9
The bulimia trials support a clinician-managed dose of 60 mg daily. This is information about the evidence, not a dose to start or adjust yourself. The current Prozac label says doses above 60 mg a day have not been systematically studied for bulimia. A higher dose used for another diagnosis is not a proven upper limit for bulimia care.9
In short-term trials, the 60 mg daily dose reduced binge and vomiting symptoms more than placebo on average. The 20 mg dose did not. For most people in those studies, the benefit was a partial drop in symptoms, not a full stop. A longer study enrolled people who had first responded to treatment. Those who kept taking the drug went longer before relapse. Because that study selected people who had already responded, it cannot tell a new patient how likely they are to respond.910
Side effects can include stomach upset, sleep changes, and sexual effects. Prescribers also review interactions, heart rhythm concerns, and warnings about suicidal thoughts in younger people. The full eating history matters when judging safety. Do not change medicine based on this article; discuss concerns with the prescriber.9
More detail appears in the medication essay. If outpatient support cannot meet your needs, the levels-of-care essay explains what more support can provide. The eating-disorders overview introduces the wider range of diagnoses.
What to say this week
Here is a sentence you can show a dentist or primary-care clinician:
“I have episodes of eating that feel out of control, and I do things afterward to try to compensate. I am hiding it and need a medical assessment and help finding eating disorder care.”
This week, request that appointment or send the note through a secure patient portal. Mention current symptoms and ask who will coordinate the next steps. If cost or privacy is a barrier, name it when asking for a referral. A referral that you cannot use needs a follow-up conversation.
Seek emergency medical care for collapse or fainting, chest pain, trouble breathing, a heartbeat that feels fast, pounding, or irregular, a seizure, muscle weakness that makes it hard to climb stairs or stand up, severe confusion, vomiting blood, or severe dehydration, including being unable to keep fluids down. Do not wait for a dental or therapy visit. Seek prompt clinical review for new or worsening symptoms or ongoing efforts to undo eating, even without these signs.5
In the United States, call 911 for an emergency or immediate danger. You can call or text 988, or use the chat at 988lifeline.org, for a suicidal or mental-health crisis. 988 does not replace emergency medical care. You do not have to wait until a crisis to ask someone to help you make the first appointment.11
This article is for education and does not replace care from your own health professional. Eating disorders can affect people at any body size. If you are concerned about eating, exercise, or related symptoms, ask for an assessment. Do not start, stop, or change medication based on this article.
This article is for education only. It does not diagnose bulimia nervosa or any eating disorder, decide whether you are medically stable, interpret a laboratory result, set a target weight, give a meal plan, or replace individualized care. It does not tell you to start, stop, or change any medication. Reading it does not create a clinician-patient relationship.
Eating disorder support and referrals
These are specialized eating disorder helplines, not 24/7 crisis lines. For urgent help any time, use the crisis resources below.
- National Alliance for Eating Disorders Helpline, 1-866-662-1235, Monday to Friday, 6 a.m. to 4 p.m. Pacific (9 a.m. to 7 p.m. Eastern). Staffed by licensed therapists who specialize in eating disorders; free referrals to all levels of care. allianceforeatingdisorders.com
- ANAD Helpline, 1-888-375-7767, Monday to Friday, 7 a.m. to 7 p.m. Pacific (9 a.m. to 9 p.m. Central). Peer support and treatment referrals.
- F.E.A.S.T., feast-ed.org. Free caregiver resources, online support groups, and family guides for those supporting a loved one with an eating disorder.
If you or your loved one has chest pain, fainting, seizures, severe weakness, confusion, signs of refeeding syndrome, or any other life-threatening symptom, call 911 or go to the nearest emergency room. Eating disorders are medical illnesses, and medical emergencies are common.
Related reading on NP FADY
References
1. American Psychiatric Association. What Are Eating Disorders? Patient information, checked 2026. https://www.psychiatry.org/patients-families/eating-disorders/what-are-eating-disorders. Accessed September 7, 2026.
2. NIMH. Eating Disorders: What You Need to Know. https://www.nimh.nih.gov/health/publications/eating-disorders. Accessed September 7, 2026.
3. Valeriani L et al. Oro-dental manifestations of eating disorders: a systematic review. 2024. DOI: 10.1186/s40337-024-01050-8. https://link.springer.com/article/10.1186/s40337-024-01050-8. Accessed September 7, 2026.
4. Mehler PS, Rylander M. Bulimia nervosa: medical complications. 2015. DOI: 10.1186/s40337-015-0044-4. https://link.springer.com/article/10.1186/s40337-015-0044-4. Accessed September 7, 2026.
5. Royal College of Psychiatrists. Medical Emergencies in Eating Disorders, CR233. 2022; updated December 2025. https://www.rcpsych.ac.uk/improving-care/campaigning-for-better-mental-health-policy/college-reports/2022-college-reports/cr233. Accessed September 7, 2026.
6. American Psychiatric Association. Eating Disorders Practice Guideline. 4th ed. 2023. https://www.psychiatry.org/psychiatrists/practice/clinical-practice-guidelines/eating-disorders. Accessed September 7, 2026.
7. NICE. Eating disorders: recognition and treatment. NG69. 2017; updated 2020. https://www.ncbi.nlm.nih.gov/books/NBK568394/. Accessed September 7, 2026.
8. Poulsen S, Lunn S, Daniel SIF, et al. A randomized controlled trial of psychoanalytic psychotherapy or cognitive-behavioral therapy for bulimia nervosa. Am J Psychiatry. 2014;171(1):109-116. DOI: 10.1176/appi.ajp.2013.12121511. PMID: 24275909. https://pubmed.ncbi.nlm.nih.gov/24275909/. Accessed September 7, 2026.
9. PROZAC prescribing information. U.S. label, revised August 2023; current record checked September 2026. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=c88f33ed-6dfb-4c5e-bc01-d8e36dd97299. Accessed September 7, 2026.
10. Romano SJ, Halmi KA, Sarkar NP, Koke SC, Lee JS. A placebo-controlled study of fluoxetine in continued treatment of bulimia nervosa after successful acute fluoxetine treatment. Am J Psychiatry. 2002;159(1):96-102. DOI: 10.1176/appi.ajp.159.1.96. PMID: 11772696. https://pubmed.ncbi.nlm.nih.gov/11772696/. Accessed September 7, 2026.
11. 988 Suicide & Crisis Lifeline. Current U.S. service information. https://988lifeline.org/. Accessed September 7, 2026.
12. Keel PK. Invited narrative review of purging disorder: what we know, why it matters, and future priorities. Int J Eat Disord. 2026; online May 31, 2026. DOI: 10.1002/eat.70141. PMID: https://pubmed.ncbi.nlm.nih.gov/42219710/. https://doi.org/10.1002/eat.70141. Accessed September 7, 2026.
13. WELLBUTRIN XL (bupropion hydrochloride extended-release) prescribing information, section 4 Contraindications. U.S. label revised November 2025. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=a435da9d-f6e8-4ddc-897d-8cd2bf777b21. Accessed September 7, 2026.
If you or someone you know is in crisis
- Call 911 or go to your nearest emergency room for any life-threatening emergency.
- 988 Suicide & Crisis Lifeline — call or text 988, available 24/7. En español: marque 988 y oprima 2. Veterans: 988 and press 1, or text 838255.
- Crisis Text Line — text HOME to 741741.
- The Trevor Project (crisis support for LGBTQ+ young people) — call 1-866-488-7386, or text START to 678-678.
- National Sexual Assault Hotline (RAINN) — call 1-800-656-HOPE (4673) or text HOPE to 64673; free, confidential, 24/7. Online chat at RAINN.org/hotline.
- National Domestic Violence Hotline — call 1-800-799-SAFE (7233) or text START to 88788; 24/7, help in 200+ languages. Online chat at TheHotline.org. If your phone or computer may be monitored, calling from a safer device is an option.
- Riverside County — Inland SoCal Crisis Helpline 951-686-HELP (4357), 24/7 (Inland SoCal United Way / 211+, in partnership with RUHS-BH); Community Access, Referral, Evaluation and Support (CARES) Line 800-499-3008, 24/7.
- San Bernardino County — Access Unit (Behavioral Health Helpline) 888-743-1478, 24/7; Mobile Crisis/CCRT 800-398-0018 (24/7, all ages) or text 909-420-0560. Arrowhead Regional Medical Center (ARMC) has a dedicated walk-in adolescent psychiatric ER (ages 13–17).
- Children under 13 — call 911 for immediate danger, contact your county's mobile crisis team (they respond to all ages), or go to the nearest pediatric emergency room.
- California Peer-Run Warm Line (non-crisis — someone to talk to) — call or text 1-855-600-WARM (9276); daytime and evening hours, not a 24/7 line.
- NP Fady (non-emergency) — for routine scheduling or questions, call (909) 707-6261. This line is not monitored for emergencies.