OBJECTIVES: To assess the usefulness of clinical pharmacy services in surgery department of a tertiary care teaching hospital in South India METHODS: With initial briefing about clinical pharmacy services and consent from the Chair, Surgery department, Clinical Pharmacy Services were offered for a period of six months. The services offered were drug information, detection, monitoring and reporting of adverse drug reactions, patient counseling and therapeutic interventions. Usefulness of the services was evaluated at the end of the study period using descriptive statistics. RESULTS: During the study period, a total of 526 clinical pharmacy services were provided to the surgery department. Among them 38.02% account for adverse drug reactions followed by 27.19% drug information, 22.05% patient counseling  and 12.73% of pharmacist interventions for rationalizing drug therapy. Among the ADRs, vomiting (29.50%), diarrhea (17.50%), neutropenia (16.50%) were the major ADRs detected. Majority drug information provided was chemotherapy protocols (68.53%) followed by dosage and administration of drugs (13.98%). Counselling services was offered to patients with diabetic foot infections (27.58%), cellulitis (21.55%), appendicitis (12.93%), and pancreatitis (10.34%). Pharmacist intervention was found to be highest for untreated indication (46.26%) followed by dosage adjustment in renal impairement (14.92%), and dosage adjustment in hepatic impairement (11.94%). The overall satisfaction rate was found to be 8 out of 10 scale.  CONCLUSIONS: Clinical pharmacy services offered to surgery department helped in improving overall patient care and clinician satisfaction