Pennchlor 64 is a soluble broad spectrum antibiotic powder containing chlortetracycline HCL for swine and cattle for treatment of susceptible infections. 1 PACK OF PENNCHLOR 64
! View manufacturer's label detailsFederal (USA) law restricts this drug to use by or on the order of a licensed veterinarian. Consult with a licensed veterinarian for instructions on how to use this drug