Posted in Dictionary, Health & Medicine, Science B-IINB stands for bupivacaine ilioinguinal and iliohypogastric nerve block B-IINB Share Pinterest Tweet Whatsapp Post navigation A-PMRB-B Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.