Inclusion Criteria:  patient acceptance. BMI 25-29.9 kg/m2. ASA I and ASA II. Scheduled for elective lower limb orthopedic surgeries under (CSE) block.  Exclusion Criteria:  Patient with known allergy to study drugs, Patients suffering from severe chronic diseases (cardiac, renal, hepatic and neurological or diabetes), Patients with infection at the site of spinal-epidural block, Drug addict patients, Patients on long term steroid therapy, Patients with abnormalities in vertebral spine, Mentally retarded or uncooperative patients, Patients receive anti-coagulant therapy or suspected coagulopathy.