Overview
Functional dyspepsia is a common gastrointestinal disorder characterized by chronic upper abdominal symptoms such as epigastric pain, early satiety, and bloating, without identifiable organic causes 118.Diagnosis
Management
Special Populations
Key Recommendations
References
1 Mahadeva S, Siah KTH, Ghoshal UC, Suzuki H, Lee YY, Chuah KH et al.. Second Asian Consensus Report on Functional Dyspepsia (2025): Updated Recommendations. Journal of gastroenterology and hepatology 2026. link 2 Melchior C, Hammer H, Bor S, Barba E, Horvat IB, Celebi A et al.. European Consensus on Functional Bloating and Abdominal Distension-An ESNM/UEG Recommendations for Clinical Management. United European gastroenterology journal 2025. link 3 Sarnelli G, Pesce M, Barbara G, de Bortoli N, Sario AD, Esposito G et al.. Italian guidelines for the diagnosis and treatment of functional dyspepsia - joint consensus from the Italian societies of gastroenterology and endoscopy (SIGE), Neurogastroenterology and motility (SINGEM), hospital gastroenterologists and endoscopists (AIGO), digestive endoscopy (SIED) and general medicine (SIMG). Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver 2025. link 4 Ivashkin V, Maev I, Poluektova E, Sinitsa A, Avalueva E, Mnatsakanyan M et al.. Efficacy and Safety of Postbiotic Contained Inactivated Lactobacillus reuteri ( Limosilactobacillus reuteri ) DSM 17648 as Adjuvant Therapy in the Eradication of Helicobacter pylori in Adults With Functional Dyspepsia: A Randomized Double-Blind Placebo-Controlled Trial. Clinical and translational gastroenterology 2024. link 5 Tran KT, Mai BH, Ta L, Dao LV, Tran HV, Tran MK et al.. Vietnam Association of Gastroenterology consensus for the diagnosis and treatment of functional dyspepsia. La Clinica terapeutica 2024. link 6 Moshiree B, Drossman D, Shaukat A. AGA Clinical Practice Update on Evaluation and Management of Belching, Abdominal Bloating, and Distention: Expert Review. Gastroenterology 2023. link 7 He S, Chen L, Wang P, Xi X. Psychometric Comparison of EQ-5D-Y, CHU-9D, and PedsQL 4.0 in Chinese Children and Adolescents With Functional Dyspepsia: A Multicenter Study. Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research 2023. link 8 Wang Q, Wan C, Li M, Huang Y, Xi X. Mapping the Peds QL. Frontiers in public health 2023. link 9 Black CJ, Paine PA, Agrawal A, Aziz I, Eugenicos MP, Houghton LA et al.. British Society of Gastroenterology guidelines on the management of functional dyspepsia. Gut 2022. link 10 Miwa H, Nagahara A, Asakawa A, Arai M, Oshima T, Kasugai K et al.. Evidence-based clinical practice guidelines for functional dyspepsia 2021. Journal of gastroenterology 2022. link 11 Chuah KH, Cheong SY, Lim SZ, Mahadeva S. Functional dyspepsia leads to more healthcare utilization in secondary care compared with other functional gastrointestinal disorders. Journal of digestive diseases 2022. link 12 Milivojevic V, Rankovic I, Krstic MN, Milosavljevic T. Dyspepsia Challenge in Primary Care Gastroenterology. Digestive diseases (Basel, Switzerland) 2022. link 13 Futagami S, Kessoku T, Kasai Y, Higurashi T, Nakajima A, Agawa S et al.. Comparison of clinical characteristics, eating behaviors, and clinical symptoms following fat intake in functional dyspepsia with functional dyspepsia with pancreatic enzyme abnormalities between Singapore and Japan. Journal of gastroenterology and hepatology 2022. link 14 Padole P, Ranjan P, Sachdeva M, Kumar M. Role of Helicobacter pylori eradication in patients with functional dyspepsia. Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology 2021. link 15 Caballero-Mateos AM, Caballero Plasencia MR. How is the duodenal mucosa in functional dyspepsia?. Revista espanola de enfermedades digestivas 2021. link 16 Wauters L, Dickman R, Drug V, Mulak A, Serra J, Enck P et al.. United European Gastroenterology (UEG) and European Society for Neurogastroenterology and Motility (ESNM) consensus on functional dyspepsia. United European gastroenterology journal 2021. link 17 Park JK, Huh KC, Kwon JG, Jung KW, Oh JH, Song KH et al.. Sleep disorders in patients with functional dyspepsia: A multicenter study from the Korean Society of Neurogastroenterology and Motility. Journal of gastroenterology and hepatology 2021. link 18 Mounsey A, Barzin A, Rietz A. Functional Dyspepsia: Evaluation and Management. American family physician 2020. link 19 Caballero-Mateos AMª, Redondo Cerezo E. Dyspepsia, functional dyspepsia and Rome IV criteria. Revista espanola de enfermedades digestivas 2018. link 20 Suzuki H. New Medical Approach to Functional Dyspepsia, from Core Symposium 3, Japan Gastroenterological Association 2015-2017. Digestion 2018. link 21 Moayyedi P, Lacy BE, Andrews CN, Enns RA, Howden CW, Vakil N. ACG and CAG Clinical Guideline: Management of Dyspepsia. The American journal of gastroenterology 2017. link 22 Talley NJ. Editorial: Moving Away From Focussing on Gastric Pathophysiology in Functional Dyspepsia: New Insights and Therapeutic Implications. The American journal of gastroenterology 2017. link 23 Matsushita M, Masaoka T, Suzuki H. Emerging treatments in neurogastroenterology: Acotiamade, a novel treatment option for functional dyspepsia. Neurogastroenterology and motility 2016. link 24 Jaka H, Mushi MF, Mirambo MM, Wilson L, Seni J, Mtebe M et al.. Sero-prevalence and associated factors of . African health sciences 2016. link 25 Malone M. Managing dyspepsia. The Journal of family practice 2015. link 26 Talley NJ. Functional (non-ulcer) dyspepsia and gastroesophageal reflux disease: one not two diseases?. The American journal of gastroenterology 2013. link 27 Futagami S, Shimpuku M, Yin Y, Shindo T, Kodaka Y, Nagoya H et al.. Pathophysiology of functional dyspepsia. Journal of Nippon Medical School = Nippon Ika Daigaku zasshi 2011. link 28 Spiegel BM, Farid M, van Oijen MG, Laine L, Howden CW, Esrailian E. Adherence to best practice guidelines in dyspepsia: a survey comparing dyspepsia experts, community gastroenterologists and primary-care providers. Alimentary pharmacology & therapeutics 2009. link 29 Moayyedi P, Talley NJ, Fennerty MB, Vakil N. Can the clinical history distinguish between organic and functional dyspepsia?. JAMA 2006. link 30 Khurana V, Singh T. Gastric mucosal fibrosis: a novel explanation for dyspepsia. Medical hypotheses 2003. link00203-2) 31 . Should H. pylori be eradicated in non-ulcer dyspepsia?. Drug and therapeutics bulletin 2002. link 32 Bazzoli F, De Luca L, Pozzato P, Zagari RM, Fossi S, Ricciardiello L et al.. Helicobacter pylori and functional dyspepsia: review of previous studies and commentary on new data. Gut 2002. link 33 Thumshirn M. Pathophysiology of functional dyspepsia. Gut 2002. link 34 Vakil N. Dyspepsia, non-ulcer dyspepsia, and Helicobacter pylori. Reviews in gastroenterological disorders 2001. link 35 Hungin P. Working together across international boundaries: improving the primary-secondary care network. European journal of gastroenterology & hepatology 2001. link 36 . Value of the unaided clinical diagnosis in dyspeptic patients in primary care. The American journal of gastroenterology 2001. link 37 Di Bonaventura G, Catamo G, Neri M, Neri G, Piccolomini R. Absence of Helicobacter pylori in tonsillar swabs from dyspeptic patients. The new microbiologica 2000. link 38 Ofman JJ. What have we learned from recent dyspepsia trials?. Current gastroenterology reports 2000. link 39 Hamilton J, Guthrie E, Creed F, Thompson D, Tomenson B, Bennett R et al.. A randomized controlled trial of psychotherapy in patients with chronic functional dyspepsia. Gastroenterology 2000. link 40 Talley NJ, Axon A, Bytzer P, Holtmann G, Lam SK, Van Zanten S. Management of uninvestigated and functional dyspepsia: a Working Party report for the World Congresses of Gastroenterology 1998. Alimentary pharmacology & therapeutics 1999. link 41 Veldhuyzen van Zanten SJ. Treatment of functional dyspepsia. Bailliere's clinical gastroenterology 1998. link90025-2) 42 Zar S, Mendall MA. Clinical practice--strategies for management of dyspepsia. British medical bulletin 1998. link 43 Laheij RJ, Severens JL, Jansen JB, van de Lisdonk EH, Verbeek AL. Management in general practice of patients with persistent dyspepsia. A decision analysis. Journal of clinical gastroenterology 1997. link 44 O'Morain C, Buckley M. Helicobacter pylori and dyspepsia. Scandinavian journal of gastroenterology. Supplement 1996. link 45 Kang JY, Fock KM, Ng HS, Ho KT, Chee A. Working party report of the Gastroenterological Society of Singapore. Part II--Helicobacter pylori and non-ulcer dyspepsia in Singapore. Singapore medical journal 1996. link 46 Bianchi Porro G, Parente F. Nature of non-ulcer dyspepsia and related conditions. Bailliere's clinical gastroenterology 1995. link90048-9) 47 Sahay P, Axon AT. Non-ulcer dyspepsia: does Helicobacter pylori matter?. Postgraduate medical journal 1995. link 48 Saunders BP, Trewby PN. Open access endoscopy: is the lost outpatient clinic of value?. Postgraduate medical journal 1993. link 49 Lamers CB. Functional dyspepsia: where do we stand?. Scandinavian journal of gastroenterology. Supplement 1993. link 50 Cucchiara S, Riezzo G, Minella R, Pezzolla F, Giorgio I, Auricchio S. Electrogastrography in non-ulcer dyspepsia. Archives of disease in childhood 1992. link 51 Longstreth GF. Long-term costs after gastroenterology consultation with endoscopy versus radiography in dyspepsia. Gastrointestinal endoscopy 1992. link70325-3) 52 Olubuyide IO. Non-ulcer dyspepsia and the dilemma posed to its management. Tropical gastroenterology : official journal of the Digestive Diseases Foundation 1991. link 53 Malagelada JR, Stanghellini V. Manometric evaluation of functional upper gut symptoms. Gastroenterology 1985. link80083-4)