Betadine is an iodine topical solution used to clean wounds, not an antibiotic. If you don't have access to topical antibiotic creams, I would recommend cleaning with betadine (or other iodine solution). If you need to pack the wound, you could soak strips of sterile gauze in betadine. Or, if...
Neosporin is a triple antibiotic cream used for cuts and scrapes - it's bacitracin, neomycin and polymyxin B. Simple bacitracin or bacitracin/neomycin are often substituted. Whatever antibiotic ointment you would get at a local pharmacy to put on a cut should be fine.
Note: I'm not a...