Inclusion Criteria:  ASA I and II Patients. Patients undergoing obstetric surgeries under spinal anesthesia. and complaining from moderate-to-severe PDPH after 25G spinal needle puncture.  Exclusion Criteria:  Refusal of the intervention or participation in the study. Patient under age of 18 years old. Psychiatric illness. Patients with a history of ischemic heart disease, pregnancy-induced hypertension, chronic hypertension, cardiac, vascular, liver or renal impairment. Patients with a history of migraine. Patients with known hypersensitivity to study drugs. Patients currently using ergotamine, monoamine oxidase inhibitors, or selective serotonin reuptake inhibitors.