SPECTRAMAST® LC (ceftiofur hydrochloride) Sterile Suspension is specially formulated to treat clinical mastitis caused by modern pathogens, including Escherichia coli, Coagulase-negative staphylococci, and Streptococcus dysgalactiae.

  • Unique, flexible label – Allows you to treat for two to up to eight days with extended therapy to achieve a bacteriological cure.
  • 72-hour milk withhold— No matter how many days you treat per label directions, milk is safe after 72 hours post-last treatment.
  • 2-day meat withdrawal—Shortest withhold time available provides greater management and flexibility.

IMPORTANT SAFETY INFORMATION: People with known hypersensitivity to penicillin or cephalosporins should avoid exposure to SPECTRAMAST LC. Product requires a 72-hour milk discard period and a 2 day pre-slaughter withdrawal period following the last treatment. Use of this product in a manner other than indicated on the label, or failure to adhere to proper milk discard period, will result in violative residues. See full Prescribing Information, here.

About Zoetis

Zoetis is a global animal health company dedicated to supporting customers and their businesses in ever better ways.



Phone: 973-822-7000


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