Comparison of Two Dosing Regimens of Intravenous Ketorolac for Post-Cesarean Pain Control

Spinal anesthesia will be achieved by injecting 10 mg hyperbaric bupivacaine 0.5% plus 25 mcg fentanyl Prophylactic vasopressor will be administered in all patients, Following delivery, all patients will receive a single dose of dexamethasone (8 mg) along with the first dose of intravenous ketorolac. Subsequent ketorolac doses will be administered every 8 hours. After closing the fascia, the subcutaneous layer will be infiltrated with 30 mL of 0.25% bupivacaine. Postoperatively, if the Numeric rating scale is \> 3, intravenous nalbuphine 0.1 mg/kg titrated to response, with maximum single dose of 20 mg and maximum daily dose of 160 mg.