Misc: hypersensitivity reactions including anaphylaxis and serious skin reactions
* CAPITALS indicate life-threatening. Underline indicate most frequent.
Probenecid may ↓ renal excretion of avibactam; concurrent administration is not recommended.
IV (Adults) CCr >50 mL/min) 2.5 g (2 g ceftazidime/0.5 g avibactam) every 8 hr. Duration of therapy = 5–14 days (complicated intra-abdominal infections); 7–14 days (complicated urinary tract infections or hospital-acquired/ventilator-associated bacterial pneumonia).
Renal Impairment (Adults) CCr 31–50 mL/min–1.25 g (1 g ceftazidime/ 0.25 g avibactam) every 8 hr; CCr 16–30 mL/min–0.94 g (0.75 g ceftazidime/0.19 g avibactam) every 12 hr; CCr 6–15 mL/min–0.94 g (0.75 g ceftazidime/0.19 g avibactam) every 24 hr; CCr 6–15 mL/min–0.94 g (0.75 g ceftazidime/0.19 g avibactam) every 48 hr: hemodialysis–Administer dose after or on day of hemodialysis.
Powder for IV injection: ceftazidime 2 g/avibactam 0.5 g/vial
Assess for infection (vital signs; appearance of wound, sputum, urine, and stool; WBC) at beginning of and throughout therapy.
Before initiating therapy, obtain a history to determine previous use of and reactions to penicillins, cephalosporins or carbapenems. Persons with a negative history of sensitivity may still have an allergic response.
Obtain specimens for culture and sensitivity before initiating therapy. First dose may be given before receiving results.
Observe patient for signs and symptoms of anaphylaxis (rash, pruritus, laryngeal edema, wheezing). Discontinue the drug and notify health care professional immediately if these symptoms occur. Keep epinephrine, an antihistamine, and resuscitation equipment close by in the event of an anaphylactic reaction.
Monitor bowel function. Diarrhea, abdominal cramping, fever, and bloody stools should be reported to health care professional promptly as a sign of CDAD. May begin up to several mo following cessation of therapy.
Monitor for signs and symptoms of encephalopathy (disturbance of consciousness including confusion, hallucinations, stupor, coma), myoclonus, and seizures during and following therapy. May require immediate treatment, dose adjustment, or discontinuation of therapy.
Lab Test Considerations: May cause seroconversion from a negative to a positive direct Coombs' test. If anemia develops during or after therapy, perform a direct Coombs' test.
May cause a false-positive reaction for glucose in urine with certain methods; use enzymatic glucose oxidase reactions.
Reconstitute with 10 mL of Sterile Water for injection. 0.9% NaCl, D5W, D5/0.9% NaCl, D5/0.45% NaCl, D2.5/0.9% NaCl, D2.5/0.45% NaCl, or LR. Mix gently. Diluent: Use same diluent used for reconstitution for a volume between 50 mL and 250 mL.Concentration: 40 and 10 mg/mL of ceftazidime and avibactam, respectively to 8 and 2 mg/mL of ceftazidime and avibactam, respectively. Solution ranges from clear to light yellow; do not administer solutions that are discolored or contain particulate matter. Solution is stable for 12 hrs at room temperature or 24 hrs if refrigerated.
Rate:Infuse over 2 hrs.
Explain the purpose of ceftazidime/avibactam to patient.
Instruct patient to notify health care professional if fever and diarrhea develop, especially if stool contains blood, pus, or mucus. Advise patient not to treat diarrhea without consulting health care professional.
Advise patient to notify health care professional immediately if signs and symptoms of allergic reactions or nervous system reactions occur.
Advise female patient to notify health care professional if pregnancy is planned or suspected or if breast feeding.
Resolution of the signs and symptoms of infection. Length of time for complete resolution depends on the organism and site of infection.
ceftazidime/avibactam is a sample topic from the Davis's Drug Guide.
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