Print OverviewFunctional dyspepsia (dis-PEP-see-uh) is a term for recurring symptoms of an upset stomach that have no obvious cause. Functional dyspepsia also is called nonulcer dyspepsia. Functional dyspepsia is common. It is a constant condition but symptoms don't happen all the time. Symptoms resemble those of an ulcer. They include pain or discomfort in the upper abdomen, bloating, belching and nausea.Products & ServicesA Book: Mayo Clinic on Digestive Health SymptomsSymptoms of functional dyspepsia may include: Pain or burning in the stomach, bloating, excessive belching, or nausea after eating An early feeling of fullness when eating. The feeling of fullness also is called satiety. Stomach pain that occurs unrelated to meals or goes away when eating. When to see a doctorMake an appointment with your health care provider if you experience persistent symptoms that worry you. Seek medical attention right away if you experience: Bloody vomit. Dark, tarry stools. Shortness of breath. Pain in your jaw, neck or arm. Unexplained weight loss. CausesNo one knows what causes functional dyspepsia. Health care providers consider it a functional disorder. That means it can't be explained by a medical condition, so routine testing may not show any problems or causes. As a result, the diagnosis is based on symptoms. Risk factorsSome factors can increase the risk of functional dyspepsia. They include: Being female. Using certain pain relievers that are available without a prescription. These include aspirin and ibuprofen (Advil, Motrin IB, others), which can cause stomach problems. Smoking. Anxiety or depression. History of childhood physical or sexual abuse. Helicobacter pylori infection. By Mayo Clinic Staff Functional dyspepsia care at Mayo Clinic Request an appointment Diagnosis & treatment Dec. 29, 2022 Print Show references Ford AC, et al. Functional dyspepsia. The Lancet. 2020; doi:10.1016/S0140-6736(20)30469-4. Feldman M, et al., eds. Dyspepsia. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 11th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed Oct. 8, 2022. Longstreth GF, et al. Functional dyspepsia in adults. https://www.uptodate.com/contents/search. Accessed Oct. 8, 2022. Rajan E (expert opinion). Mayo Clinic. Oct. 23, 2022. Indigestion (dyspepsia). National Institute for Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/digestive-diseases/indigestion-dyspepsia/all-content. Accessed Oct. 8, 2022. Goldman L, et al., eds. Functional gastrointestinal disorders: Irritable bowel syndrome, dyspepsia, esophageal chest pain, and heartburn. In: Goldman-Cecil Medicine. 26th ed. Elsevier; 2020. https://www.clinicalkey.com. Accessed Oct. 8, 2022. Mounsey A, et al. Functional dyspepsia: Diagnosis and management. American Family Physician. 2020; doi:10.1097/MOG.0b013e328358ad9b. Li J, et al. A combination of peppermint oil and caraway oil for the treatment of functional dyspepsia: A systematic review and meta-analysis. Evidence-Based Complementary and Alternative Medicine. 2019; doi:10.1155/2019/7654947. Masuy I, et al. Review article: Treatment options for functional dyspepsia. Alimentary Pharmacology & Therapeutics. 2019; doi:10.1111/apt.15191. Braswell Pickering EA. Allscripts EPSi. Mayo Clinic. Oct. 10, 2022. Related Associated Procedures Hypnosis Upper endoscopy Products & Services A Book: Mayo Clinic on Digestive Health Functional dyspepsiaSymptoms&causesDiagnosis&treatmentDoctors&departmentsCare atMayoClinic Advertisement Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Advertising & Sponsorship Policy Opportunities Ad Choices Mayo Clinic Press Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. NEW: Listen to Health Matters Podcast - Mayo Clinic PressNEW: Listen to Health Matters PodcastMayo Clinic on Incontinence - Mayo Clinic PressMayo Clinic on IncontinenceThe Essential Diabetes Book - Mayo Clinic PressThe Essential Diabetes BookMayo Clinic on Hearing and Balance - Mayo Clinic PressMayo Clinic on Hearing and BalanceFREE Mayo Clinic Diet Assessment - Mayo Clinic PressFREE Mayo Clinic Diet AssessmentMayo Clinic Health Letter - FREE book - Mayo Clinic PressMayo Clinic Health Letter - FREE book CON-20375692 Patient Care & Health Information Diseases & Conditions Functional dyspepsia