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a broad-spectrum semisynthetic penicillin active against a wide variety of gram-positive and gram-negative bacteria; administered intramuscularly or intravenously as the sodium salt.
piperacillin/pi·per·a·cil·lin/ (pi-per´ah-sil″in) a semisynthetic broad-spectrum penicillin effective against a wide variety of gram-positiveand gram-negative bacteria; used as the sodium salt.
A semisynthetic broad-spectrum penicillin, C23H27N5O7S, used in its sodium form often in combination with the beta-lactamase inhibitor tazobactam, and active against a variety of gram-positive and gram-negative bacteria.
piperacillinTherapeutics A semisynthetic broad-spectrum penicillin for parenteral use Adverse effects Thrombophlebitis, pain, erythema, induration at the injection site, ecchymosis, DVT, hematomas; GI–diarrhea, loose stools, N&V, ↑ liver enzymes–LD, SGOT, SGPT, ↑ BR, cholestatic hepatitis, rarely pseudomembranous colitis
piperacillinA broad-spectrum PENICILLIN.
an extended-spectrum semisynthetic penicillin active against a wide variety of gram-negative, gram-positive and anaerobic bacteria.