Code of Federal Regulations Title 21. Food and Drugs § 21.529.400 Chlorhexidine tablets and suspension

(1) Amount. Place 1 or 2 tablets deep in each uterine horn;  or infuse a solution of 1 tablet dissolved in an appropriate amount of clean boiled water;  or infuse one syringe of suspension into the uterus.

(2) Indications for use. For prevention or treatment of metritis and vaginitis in cows and mares when caused by pathogens sensitive to chlorhexidine dihydrochloride.

(3) Limitations. Prior to administration, remove any unattached placental membranes, any excess uterine fluid or debris, and carefully clean external genitalia. Use a clean, sterile inseminating pipette for administrating solutions and suspensions. Treatment may be repeated in 48 to 72 hours.