(Merck) Resflor Gold is an antibiotic and anti-inflammatory indicated for treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni, and Mycoplasma bovis, and control of BRD-associated pyrexia in beef and non-lactating dairy cattle. Each ml of Resflor Gold contains 300 mg florfenicol and 16.5 mg flunixin as flunixin meglumine. The recommended dosage of Resflor Gold is 6 ml per 100 lbs body weight, given by SQ injection in the neck. Do not administer more than 10 ml per injection site. Florfenicol and flunixin meglumine.