Pro-Pen-G (Penicillin G Procaine) Injectable

Item #11520

$7.99 to $19.95

Pro-Pen-G (Penicillin G Procaine) Injectable

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Pro-Pen G contains 300,000 units of Penicillin G Procaine per mL. For use only in horses, cattle, swine, and sheep. Read More

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Pro-Pen G

Contains 300,000 units of Penicillin G Procaine per mL. For IM use only in horses, cattle, swine and sheep.

Administer 1 mL IM per 100 lbs body weight once daily.

  • Cattle and sheep: bacterial pneumonia (shipping fever) caused by Pasteurella multocida
  • Swine: erysipelas caused by Erysipelothrix insidiosa
  • Horses: strangles caused by Streptococcus equi

Do not use on horses intended for food.  48-hr milk withdrawal.

An alternate vendor may occasionally be substituted for this product based on availability. Regardless of name brand or label, the product will always be Procaine Penicillin G at 300,000 units per mL. (ex: AgriLabs Agricillin)

This is not considered a biological and will not ship on ice.

View manufacturer and/or label information


  • Brand: Bimeda
  • Ingredient: Penicillin G Procaine
  • Form: Injectable
  • Size: 100 mL,250 mL,500 mL

Reviews (5)

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  1. 5.0 out of 5 stars

    "helped my chicken"

    We only have a small flock of chickens, but after one chicken got a horrible dog bite that opened her air sack, our local feed store recomended that we use pro pen and she healed completely and is now laying eggs! I didn't think she would make it a day, as I could hear air coming out of her wound. Thank you!

  2. 4.0 out of 5 stars

    "Good for certain applications"

    We rarely use antibiotics on our farm but the rule of thumb is, if it's necrotic, it gets Pen G.

  3. 4.0 out of 5 stars

    "Medical Kit Must"

    This is an antibiotic that is a must to have on hand. It is probably the number one antibiotic recommend from our vet and is nice to have on hand when you need it. Keep in refrigerator when not using. We pack in our cooler to take along to shows.

  4. 5.0 out of 5 stars

    "Farm owner"

    I have been buying Pro-Pen-G as my only source of Penicillin for several years. I like the price. The quality has always been top notch. It seems to stay suspended in the liquid better than some other brands, so it is easier to use when the unexpected happens and you need it fast. I have horses, goats, dogs, cats and chickens and use this on all of them when needed.

  5. 5.0 out of 5 stars


    Pen G is the staple of all farmers - though I now can get my hands on a variety of antibiotics Penicillin is an easy to use and effective antibiotic for multitude of needs. Wont be without it

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