NCIt definition : The hydrochloride salt form of pirlimycin, a derivative of clindamycin with a 6-membered
ring replacing clindamycin's 5-membered ring. Compared to clindimycin, pirlimycin
has increased activity against gram-positive bacteria, including Staphylococcus aureus
and coagulase negative species of Staphylococcus and Streptococcus. This agent is
primarily used in the treatment of mastitis in cattle.;