Fatores relacionados ao desenvolvimento de úlceras em pacientes com Diabetes Mellitus ABSTRACTObjective: To identify factors related to the development of ulcers in the lower limbs of insulin-dependent users residing in the city of São José de Mipibu/RN. Method: Quantitative research; we obtained data thought interview followed by static inspection and application of Semmes-Weinstein monofilaments to assess the threshold of plantar tactile sensitivity. The Ethics Committee of the Potiguar University of Natal/RN approved this research, under the Certificate of Presentation for Ethical Consideration number 0037.0.052.000-11. Results: The age range was 21-72 years old; 68.4% were female; 63.3% were living in urban areas. We can highlight as factors related to development of ulcers in the lower limbs: sedentary lifestyle (71.6%), hypertension (65%) and a history of cardiovascular disease (56.7%). In the evaluation of the feet, 26.7% had dry skin; 15% had scaly skin; 38.3%, farinaceous nails; 30%, thickened nails and 35%, dermatitis. Regarding the tactile sensitivity, 18.3% had anesthesia of the affected limb. Conclusion: The data suggests that this population is likely to develop more severe and disabling complications of Diabetes Mellitus.Descriptors: Nursing; Diabetes Mellitus; Diabetic Foot. Nurse from the Potiguar University of Natal (UNP). Natal/RN, Brazil. E-mail: iluskagt@hotmail.com. Nurse from the Potiguar University of Natal (UNP). Natal/RN, Brazil. E-mail: jujusouto@yahoo.com.br. Nurse. Master in Nursing. Professor at the Potiguar University of Natal (UNP). Natal/RN, Brazil. E-mail: nicelha@yahoo.com.br.