Aztreonam

Restricted
Restricted

C. diff Risk

Medium

Oral Bioavailability

NA

Approximate Cost

$160/day

Dosing

Adult

2g IV q8h for severe infections

Health Canada Special Access Programme Authorization required - consider contacting clinical pharmacist for support

General Information

Common Usage

Therapy of gram negative infections including Pseudomonas, particularly in patients with penicillin and cephalosporin allergy or when there is no alternative susceptible agent.

Nebulized form used in cystic fibrosis patients.

Empiric therapy for febrile neutropenia.

Drug Monitoring

Monitor liver enzymes

Adverse Effects

  •  Elevated liver enzymes

  •  Cytopenias

  •  Eosinophilia

  •  Phlebitis at injection site

  •  Rash/allergy

  •  CNS toxicity

Major Interactions

No significant

Additional Information

Health Canada Special Access Programme Authorization required - consider contacting clinical pharmacist for support

Pharmacology

Antimicrobial class: Monobactam

Pregnancy category: B

Average serum half life: 2.0

Biliary penetration: Moderate

Lung penetration: Therapeutic

Urine penetration: Therapeutic