Background/Objetives: Elderly populations are under-represented in inflammatory bowel disease (IBD) clinical trials, with limited data on phenotype, treatment patterns, outcomes and comorbidities. The main objective of this study was to evaluate, in an elderly cohort with IBD, demographic and disease characteristics, comorbidity, polypharmacy and treatment patterns according to the development of IBD at or before old age. Secondarily, the same analysis was done based on the type of IBD: ulcerative colitis (UC) or Crohn's disease (CD).Material and methods: Observational, single-center, retrospective study including 118 patients diagnosed with IBD and aged 65 years or older seen at the IBD office of the Regional University Hospital of Malaga between September and November 2022. Data were recorded on demographic, disease-related and IBD treatment-related variables, comorbidities and polypharmacy. A descriptive and analytical study was undertaken according to the age of IBD onset and type of IBD.Results: Of the patients included, 50.8% were male, 55.1% had CD and 44.9% UC. IBD onset was before age 65 years in 69.5% and ≥65 years in 30.5%. Elderly with IBD who debuted