 Background : Pain is still becoming post-operative problem. The untreated pain will cause chronic pain which is difficult to heal. Ibuprofen and ketorolac are non-steroid antiinflammatory agent (NSAID) which are usually used for mild to moderate pain management.  Objective : To obtain the comparison of visual analogue scale on the administration of preemptive intravenous ibuprofen 800 mg and ketorolac 30 mg on postoperative abdominal gynecology patients with general anesthesia.

Keywords : Ibuprofen, Ketorolac, NSAID, VAS, Preemptive Analgesia.