tazocin
Table of Contents
Tazocin (piperacillin + tazobactam)
see also:
introduction
- broad spectrum parenteral antibiotic + beta-lactamase inhibitor reserved for defined uses for serious sepsis such as:
- ascending cholangitis and other intra-abdominal sepsis
- urosepsis resistant to other antibiotics
contra-indications
- HS to penicillins, cephalosporins or beta-lactamase inhibitors
precautions
- prolonged use >= 21 days
- monitor FBE, LFT's and U&Es
- renal or hepatic impairment
- contains high Na content of 64mg/g of piperacillin
- cystic fibrosis
- not advised for Rx of brain abscesses or meningitis
- pregnancy
- lactation
- children < 2yrs
- may mask syphilis infections
iv infusion dose
- Admin by IV infusion over 20-30 min
- Rx for 5-14 days (48 hrs beyond clinical symptom, fever resolution)
- see product information
adults and children over 12yrs
- usual dose: 4 g/0.5 g every 8 hrs
- renal impairment:
- ClCr 20-40 mL/min: 4 g/0.5 g every 8 hrs (equiv. 12 g/1.5 g/day);
- ClCr < 20 mL/min: 4 g/0.5 g every 12 hrs (equiv. 8 g/1 g/day).
- Haemodialysis:
- admin additional 2 g/0.25 g dose postdialysis; max 8 g/1 g/day.
- coadmin with aminoglycoside antibiotics (amikacin, gentamicin): see full PI
children 2-12yrs
- usual dose:
- up to 40 kg: 100 mg/12.5 mg/kg every 8 hrs;
- > 40 kg: 4 g/0.5 g every 8 hrs
adverse reactions
- GI upset;
- rash, erythema, pruritus, urticaria, allergic reaction;
- superinfection;
- phlebitis, thrombophlebitis;
- insomnia; headache;
- blood dyscrasia; incr AST, ALT, creatinine;
- fever; inj site reaction;
- candidiasis;
- rare: interstitial nephritis, renal failure, hepatitis, arthralgia, flushing, pseudomembranous colitis; severe skin reaction (very rare);
drug interactions
- heparin, oral anticoagulants
- nondepolarising muscle relaxants eg vecuronium;
- diuretics; probenecid;
- lab tests: urine glucose (Cu reduction method), Platelia Aspergillus EIA (Bio-Rad Laboratories) (see full PI);
- do not admix;
- should not be added to NaHCO3, basic solns, blood products, albumin hydrolysates
tazocin.txt · Last modified: 2013/05/28 08:02 by 127.0.0.1