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Piperacillin Generic Name & Formulations
Legal Class
Rx
General Description
Piperacillin sodium 2g, 3g, 4g; per vial; pwd for IM or IV inj after reconstitution; IV infusion after reconstitution and dilution; sodium content 42.5mg/g piperacillin sodium.
Pharmacological Class
Broad-spectrum penicillin.
How Supplied
Contact supplier.
Manufacturer
Piperacillin Indications
Indications
Serious susceptible infections, including lower respiratory tract, intraabdominal, septicemia, skin and skin structure, bone and joint, UTIs, gynecological infections, and uncomplicated gonoccocal urethritis. Surgical prophylaxis in intraabdominal (GI and biliary) procedures, vaginal and abdominal hysterectomy, and cesarean section.
Piperacillin Dosage and Administration
Adult
Give by IM inj into upper outer quadrant of buttock; or IV inj over 3–5 minutes; or IV infusion over 20–30 minutes. Max dose: 24g/day. IM inj: max 2g per injection site. May give 1g probenecid orally ½ hour prior to inj. Serious infections: 12–18g/day IV (200–300mg/kg/day) in divided doses every 4–6 hours. Complicated UTIs: 8–16g/day IV (125–200mg/kg/day) in divided doses every 6–8 hours. Uncomplicated UTIs and community-acquired pneumonia: 6–8g/day IM or IV (100–125mg/kg/day) in divided doses every 6–12 hours. Uncomplicated gonorrhea infections: 2g IM once as a single dose. All: treat for 7–10 days; gynecological infections: 3–10 days; Streptococcus pyogenes infections: at least 10 days. Acute infections: continue therapy 48–72 hours after patient becomes asymptomatic. Prophylaxis, renal impairment, or hemodialysis: see literature.
Children
Not recommended.
Piperacillin Contraindications
Contraindications
Beta-lactam allergy including cephalosporins.
Piperacillin Boxed Warnings
Not Applicable
Piperacillin Warnings/Precautions
Warnings/Precautions
Renal impairment. Salt-restricted. Monitor renal, hepatic, hematopoietic function in prolonged use. Discontinue if bleeding disorder occurs. Cystic fibrosis (increased fever/rash risk). Gonorrhea infections: do serologic test for syphilis at baseline and 3 months after therapy. Pregnancy (Cat.B). Nursing mothers.
Piperacillin Pharmacokinetics
See Literature
Piperacillin Interactions
Interactions
Potentiated by probenecid. Antagonizes aminoglycosides. May potentiate non-depolarizing muscle relaxants (eg, vercuronium). Monitor methotrexate, heparin, anticoagulants. May cause false (+) with Clinitest, Benedict's or Fehling's soln, Coomb's test.
Piperacillin Adverse Reactions
Adverse Reactions
Inj site reactions, GI disturbances, rash (may be severe, eg, Stevens-Johnson syndrome), headache, dizziness, fatigue, seizures, renal impairment, anaphylaxis, blood dyscrasias, bleeding.
Piperacillin Clinical Trials
See Literature
Piperacillin Note
Notes
Formerly known under the brand name Pipracil.
Piperacillin Patient Counseling
See Literature
