Diabetes mellitus is a disorder of carbohydrate metabolism characterized by high blood sugar level (hyperglycemia) and high level of sugar in urine (glycosuria). The study assessed the prevalence of concurrent infection amongst diabetic patients in Rivers State using university of Port Harcourt Teaching Hospital (UPTH). A total of 150 patients (50% male and 50% female), attending the diabetic clinic at University of Port Harcourt Teaching Hospital, Rivers State, South-south Nigeria, between January 2018 and June 2018. These patients had been visiting the clinic for medical treatment and dietary counseling for at least six months prior to the study. Anthropometric measurement were taken. Body mass index (BMI) was also calculated. Questionnaires were used to obtain information on the socio-economic profiles of the patients. The SPSS (statistical Package for Social Science) version 17 was used for data analysis. The results showed that 16% were blind, 4% had kidney disease, 16% had stroke, 2% had heart disease, 48% had blurred vision, 4% had their limbs amputated and 35% were depressed among the male diabetics while the female had blindness 14%, stroke 12%, Blurred vision 36% and depression 26%. And 28% of the Participant where over weight while 51% were obese, which might lead to heart diseases. About 20% of the diabetics where engage in physical activity. In conclusion, the study observed high prevalence of concurrent infection among the participant and high prevalence of obesity.