Aztreonam

Pronounced AZ-tree-oh-nam

Brand names: Azactam

Type: Monobactam antibiotic · All Antibiotics & Infection Medicines

What Aztreonam is used for

  • Serious infections from gram-negative bacteria
  • Infections in people with serious penicillin allergy
  • Lung infections in cystic fibrosis (inhaled)

◆ Kidney note

Dose is lowered when kidney function is reduced.

Common side effects

  • Diarrhea
  • Nausea
  • Pain at injection sites
  • Rash

Important cautions

  • One of the few injectable antibiotics usually safe in serious penicillin allergy

How it comes

Injection (hospital), nebulizer solution. This guide lists forms only — it never lists strengths or doses.

Related medicines — Antibiotics & Infection Medicines

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.