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BenzaPen™ 48 - 250 mL

MF #505011
QC Part #
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Out of stock
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This 250 mL vial of BenzaPen 48 is for use in beef cattle only for the treatment of susceptible bacterial infections.

Penicillin G Benzathine and Penicillin G Procaine Injectable Suspension - 250 mL is available as an aqueous suspension in 100 mL, 250 mL and 500 mL multipledose vials. BenzaPen™ 48 Injectable Suspension is indicated for the treatment of the following bacterial infections in beef cattle due to penicillin-susceptible microorganisms susceptible to the serum levels common to this particular dosage form, such as:

  • Bacterial Pneumonia (shipping fever complex) (Streptococcus spp., Actinomyces pyogenes, Staphylococcus aureus)
  • Upper Respiratory Infections such as rhinitis or pharyngitis (Actinomyces pyogenes)
  • Blackleg (Clostridium chauvoei)


  • Fast acting - Noticeable improvement within 4 to 48 hours
  • Long lasting - Extended period of activity
  • SQ administration - As recommended by Beef Quality Assurance
  • Safe - Approved by FDA

Dosage: Beef Cattle: 2 mL per 150 lb body weight given subcutaneously only (2000 units penicillin G procaine and 2000 units penicillin G benzathine per lb body weight). Treatment should be repeated in 48 hours.

Directions For Use: A thoroughly cleaned, sterile needle and syringe should be used for each injection (needles and syringes may be sterilized by boiling in water for 15 minutes). Before withdrawing the solution from the bottle, disinfect the rubber cap on the bottle with a suitable disinfectant, such as 70 percent alcohol. The injection site should be similarly cleaned with the disinfectant. Use a 16 gauge needle, not more than 1 inch long. No vial should be entered more than 14 times with a 16 gauge needle. A subcutaneous injection should be made by pinching up a fold of the skin between the thumb and forefinger. The mid-neck region is the preferred injection site. Insert the needle under the fold in a direction approximately parallel to the surface of the body. When the needle is inserted in this manner, the medication will be delivered underneath the skin between the skin and the muscles. Proper restraint, such as the use of the chute and nose lead is needed for proper administration of the product.

Available Sizes:

  • #540368-100 - 100 mL
  • #540368-250 - 250 mL
  • #540368-500 - 500 mL
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