Topical Ketamine Versus Caudal Ketamine for Postoperative Analgesia in Children Undergoing Inguinal Herniotomy

0.5 mg/ kg ketamine with bupivacaine by caudal route after anesthesia and before start of surgery.

0.5 mg/ kg ketamine with bupivacaine will be sprayed around the spermatic cord before wound closure.

1 ml/kg bupivacaine 0.25% (maximum volume = 20 ml) by caudal route

0.3 ml/kg bupivacaine 0.25% will be sprayed around the spermatic cord before wound closure