A single subcutaneous dosage of 6 mL/hundred pounds can produce improvement in just six hours.1 Resflor Gold should be administered once by subcutaneous injection at a dose rate of 40mg florfenicol/kg body weight and 2.2mg flunixin/kg body weight (6 mL/100 lb). Do not administer more than 10 mL at each site. The injection should be given only in the neck. Injection sites other than the neck have not been evaluated. For the 500 mL vial, do not puncture the stopper more than 20 times.