Inclusion Criteria:  - 120 children, aged between 4 and 7 years undergoing infraumblical surgeries as ( hypospadias , inguinal hernia and orchopexy ).patients will be selected according to ASA physical status class I to II from both genders who be able to swallow tablets.  Exclusion Criteria:  parents' refusal. urgent cases. other contraindications of regional anesthesia (e.g. infection at injection site, coagulopathy and allergy to bupivacaine) Insulin dependent diabetes Thyroid disease