Background:

Penicillin G potassium is a fast-acting antibiotic; used to treat bacterial infections that affect the blood, heart, lungs, joints, and genital areas.

[1]. Roussel AJ, et al. Evaluation of the effects of penicillin G potassium and potassium chloride on the motility of the large intestine in horses. Am J Vet Res. 2003 Nov;64(11):1360-3. [2]. Byra C, et al. Decreased mortality of weaned pigs with Streptococcus suis with the use of in-water potassium penicillin G. Can Vet J. 2011 Mar;52(3):272-6.