Key references: Definition and symptoms of constipation in adults

Aziz I, Whitehead WE, Palsson OS, Tornblom H, Simren M. An approach to the diagnosis and management of Rome IV functional disorders of chronic constipation. Expert Rev Gastroenterol Hepatol 2020;14(1):39-46. https://www.ncbi.nlm.nih.gov/pubmed/31893959
Rome Foundation Inc. Rome IV criteria [web page]. Raleigh, NC: Rome Foundation, Inc.; 2016. Accessed May 2021. https://theromefoundation.org/rome-iv/rome-iv-criteria/
Serra J, Pohl D, Azpiroz F, Chiarioni G, Ducrotte P, Gourcerol G, et al. European society of neurogastroenterology and motility guidelines on functional constipation in adults. Neurogastroenterol Motil 2020;32(2):e13762. https://www.ncbi.nlm.nih.gov/pubmed/31756783