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Bupivacaine hydrochloride injection USP is indicated for the production of local or regional anesthesia or analgesia for surgery, diagnostic and therapeutic procedures, and for obstetrical procedures. Only the 0.25% and 0.5% concentrations are indicated for obstetrical anesthesia. (See WARNINGS .) Experience with nonobstetrical surgical procedures in pregnant patients is not sufficient to recommend use of 0.75% concentration of bupivacaine hydrochloride injection USP in these patients. Bupivacaine hydrochloride injection USP is not recommended for intravenous regional anesthesia (Bier Block). See WARNINGS . The routes of administration and indicated bupivacaine hydrochloride injection USP concentrations are: local infiltration 0.25% peripheral nerve block 0.25% and 0.5% retrobulbar block 0.75% sympathetic block 0.25% lumbar epidural 0.25%, 0.5%, and 0.75% (0.75% not for obstetrical anesthesia) caudal 0.25% and 0.5% epidural test dose (see PRECAUTIONS ) (See DOSAGE AND ADMINISTRATION for additional information.) Standard textbooks should be consulted to determine the accepted procedures and techniques for the administration of bupivacaine hydrochloride injection USP.