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Penicillin G Benzathine & Procaine, 100 ml
Penicillin G Benzathine & Procaine, 100 ml

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Product Code: 10767


Penicillin G Benzathine & Procaine

Penicillin G Benzathine and Penicillin G Procaine is indicated for treatment of the following bacterial infections in beef cattle due to penicillin-susceptible micro-organisms that are 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)


  • Veterinary Injection for Use in Beef Cattle
  • "Long-Acting Penicillin"
  • Off-Label Use in Companion Animals

Action: Penicillin G is an antibiotic which shows a marked bactericidal effect against certain organisms during their growth phase. It is relatively specific in its action against Gram-positive bacteria but is usually ineffective against Gram-negative organisms.

It is normally recommended that any bacterial infection be treated as early as possible and with a dosage which will give effective blood levels. Although the recommended dosage of Penicillin G Benzathine and Penicillin G Procaine will give longer detectable penicillin blood levels than penicillin G procaine alone, it is recommended that a second dose be administered at 48 hours when treating a penicillin-susceptible bacterial infection.

The use of antibiotics in the management of disease is based on an accurate diagnosis and an adequate course of treatment. When properly used in the treatment of diseases caused by penicillin-susceptible organisms, most animals treated with Penicillin G Benzathine and Penicillin G Procaine show a noticeable improvement within 24 to 48 hours. If improvement does not occur within this period of time, the diagnosis and course of treatment should be reevaluated. It is recommended that the diagnosis and treatment of animal diseases be carried out by a veterinarian. Since many diseases look alike but require different types of treatment, the use of professional veterinary and laboratory services can reduce treatment time, costs, and needless losses. Good housing, sanitation, and nutrition are important in the maintenance of healthy animals and are essential in the treatment of disease.

Residue Warnings: Beef cattle should be withheld from slaughter for food use for 30 days following last treatment. Treatment in beef cattle must be limited to two (2) doses, BY SUBCUTANEOUS INJECTION ONLY. Do not inject intramuscularly. A withdrawal period has not been established for this product in preruminating calves. Do not use in calves to be processed for veal.

Precautions: Exceeding the recommended doses and dosage levels may result in antibiotic residues beyond the withdrawal time. Do not inject this material intramuscularly.

Penicillin G is a substance of low toxicity. However, side effects, or so-called allergic or anaphylactic reactions - sometimes fatal, have been known to occur in animals hypersensitive to penicillin and procaine. Such reactions can occur unpredictably with varying intensity. Animals administered penicillin G should be kept under close observation for at least one-half hour. Should allergic or anaphylactic reactions occur, discontinue use of the product and immediately administer epinephrine following manufacturer's recommendations; call a veterinarian.

As with all antibiotic preparations, use of this drug may result in overgrowth of nonsusceptible organisms, including fungi. A lack of response by the treated animal, or the development of new signs or symptoms suggest that an overgrowth of nonsusceptible organisms has occurred. In such instances, consult your veterinarian.

Since bactericidal drugs may interfere with the bacteriostatic action of tetracyclines, it is advisable to avoid giving penicillin in conjunction with tetracyclines.

Administration: The recommended dosage for beef cattle should be administered by SUBCUTANEOUS INJECTION ONLY. Failure to use the subcutaneous route of administration may result in antibiotic residues in meat beyond the withdrawal time.

Dosage: Beef Cattle: 2 mL per 150 lb body weight GIVEN SUBCUTANEOUSLY ONLY (2,000 units penicillin G procaine and 2,000 units penicillin G benzathine per lb body weight). Treatment should be repeated in 48 hours.

Important: Treatment in beef cattle should be limited to two (2) doses given by subcutaneous injection only.

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. Needles of 14 to 16 gauge and not more than 1 inch long are adequate for injections.

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 a chute and nose lead, is needed for proper administration of the product.





Package Information: Penicillin G Benzathine and Penicillin G Procaine is available in vials of 100 mL and 250 mL with each mL containing 150,000 units penicillin G benzathine and 150,000 units penicillin G procaine.

Penicillin G Benzathine and Penicillin G Procaine should be stored under refrigeration 2°-8°C (36°-46°F). Avoid freezing. Warm to room temperature, and shake well before using.

Avoid Freezing

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