“…In conclusion, this case supports the observation that extended repeat dosing of FabAV may be necessary to adequately treat subjects of rattlesnake envenomation (2,5,7,9,12,13). Based on clinical data from Dart et al, the manufacturer currently recommends administering 4-6 vials FabAV over one hour (repeated if control of envenomation is not achieved after the first dose) followed by 2 vials every 6 hours for a total of 18 hours (2,4).…”