An intramammary antibiotic containing sodium cloxacillin. For the treatment of bovine mastitis in lactating cows due to Streptococcus agalactiae and nonpenicillinase-producing Staphylococcus aureus.

(sodium cloxacillin)

Pharmaceutical Name

sodium cloxacillin

Features and Benefits

Tube tip length, antibiotic efficacy, and milk withhold period impact your bottom line

  • Available in short-tip tubes.
  • Demonstrated 77% cure rate for Streptococcus agalactiae in study of antibiotic treatments.1
  • Effective against mastitis caused by nonpenicillinase-producing Staphylococcus aureus.1
  • Quickly achieves high and rapid therapeutic levels, with proven antibacterial action for rapid effect.1
  • One of the highest cure rates for Streptococcus agalactiae1 and one of the shortest milk withhold periods – 48 hours.


DARICLOX is indicated in the treatment of bovine mastitis in lactating cows due to Streptococcus agalactiae and nonpenicillinase-producing Staphylococcus aureus.

Clinical experience indicates that antibiotic efficacy in the treatment of mastitis in lactating cows is directly related to the duration of infection. Therefore, treatment should be instituted as early as possible after detection.


For further information, including dose rate and complete directions and warnings, please see the Product Label by clicking here.

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WARNINGS: Milk taken from animals during treatment and for 48 hours (4 milkings) after the last treatment must not be used for food. Treated animals must not be slaughtered for food purposes within 10 days after the last treatment.

For additional information, please see the product label.


  1. Wilson, DJ et al. 1999. Comparison of seven antiobiotic treatments with no treatment for bacteriological efficacy against bovine mastitis pathogens. J Dairy Sci 82:1664-1670.