Effect of Adding Midazolam Versus Fentanyl to Intrathecal Levobupivacaine in Patients Undergoing Caesarean Section

2 ml of 0.5% isobaric levobupivacaine (10 mg) plus 0.5 ml midazolam (2 mg)will be given intrathecally in L3 and L4 space with 25 gauge Quincke spinal needle via midline approach in sitting position. On free flow of cerebrospinal fluid, study drug will be injected intrathecally . Patients will immediately turn to supine position

2 ml of 0.5% isobaric levobupivacaine (10 mg) plus 0.5 ml fentanyl (25 μg)will be given intrathecally in L3 and L4 space with 25 gauge Quincke spinal needle via midline approach in sitting position. On free flow of cerebrospinal fluid, study drug will be injected intrathecally . Patients will immediately turn to supine position