Azlocillin Sodium
Azlocillin Sodium is a semi-synthetic penicillin antibiotic with broad-spectrum activity, particularly against Pseudomonas aeruginosa and other gram-negative bacteria. It is used to treat serious hospital-acquired infections when causative organisms are susceptible.
A broad-spectrum penicillin antibiotic primarily used for serious gram-negative bacterial infections including Pseudomonas.
Key facts at a glance
- RxNorm
- 203836
- Generic
- Azlocillin Sodium
- Class
- pin-variant
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treatment of serious bacterial infections including respiratory tract infections, urinary tract infections, septicemia, skin and soft tissue infections, bone and joint infections, and abdominal infections—particularly when Pseudomonas or other susceptible gram-negative organisms are involved.
Inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), preventing cross-linking of peptidoglycan and leading to bacterial cell death.
Like other penicillins, carries risk of allergic reactions including anaphylaxis. Administered intravenously. May be less commonly used today compared to other antipseudomonal penicillins like piperacillin. Susceptibility testing recommended before use due to increasing resistance.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy