Dosages of Chloramphenicol and Florfenicol

Chloramphenicol

Cats

12.5–20 mg/kg, PO, q 12 h

ELDU

Dogs

25–50 mg/kg, PO, q 8 h

Horses

45–60 mg/kg, PO, q 6–8 h

ELDU

Florfenicol

Cattle, excluding veal and lactating dairy

20 mg/kg, IM, repeated in 48 h; 40 mg/kg, SC, once

Not approved in dairy cattle >20 months of age