Background– Pelvic inflammatory disease (PID) is one of the most frequent infections seen in reproductive age women and is associated with major clinical problem like low backache. Objective– To study the incidence of pelvic inflammatory diseases of lower backache in females and its association with treatment plan and Outcome. Methods– A prospective epidemiological study was done on 200 female patients in the department of obstetrics and gynaecology along with Orthopaedics of Rama Medical College, Mandhana, Kanpur, India during the period from September 2018 to May 2019. Patients were divided into 2 groups as per their complaints. Group 1 included patients with PID and Group 2 included without PID. Epi–info 7 was used for analysis. Results– Out of 200 female patients 128 were diagnosed as pelvic inflammatory disease as the under lying pathology along with backache that comprised of 64% of the study group. Maximum number of patients of backache with discharge per vagina was of age group of >40 years which makes them 50% of the total patients of backache. Conclusion– Pelvic inflammatory disease is a major risk factor causing the low backache in patients and hampering their day to day activities