Cefsulodin

Cefsulodin

Cefsulodin is a cephalosporin antibiotic, specifically a third-generation cephalosporin. It is primarily used in the treatment of bacterial infections caused by susceptible organisms. Cefsulodin is unique among the cephalosporins in its activity against Pseudomonas aeruginosa.

Mechanism of Action

Cefsulodin works by inhibiting the synthesis of the peptidoglycan layer of bacterial cell walls. The peptidoglycan layer is important for cell wall structural integrity. The final transpeptidation step in the synthesis of the peptidoglycan is facilitated by transpeptidases known as penicillin-binding proteins (PBPs). Cefsulodin binds to these PBPs and inhibits the final transpeptidation step of peptidoglycan synthesis, resulting in cell lysis.

Pharmacokinetics

After administration, cefsulodin is absorbed and distributed throughout the body. It is able to penetrate into many tissues, including the cerebrospinal fluid. The drug is primarily excreted unchanged by the kidneys, and thus dose adjustments may be necessary in patients with renal impairment.

Clinical Use

Cefsulodin is used in the treatment of infections caused by Pseudomonas aeruginosa, including pneumonia, urinary tract infections, and bacteremia. It may also be used in combination with other antibiotics for the treatment of severe or refractory infections.

Side Effects

As with other cephalosporins, side effects of cefsulodin can include allergic reactions, nausea, vomiting, and diarrhea. In rare cases, more serious adverse effects such as Clostridium difficile-associated diarrhea or interstitial nephritis may occur.

See Also

• Cephalosporin
• Pseudomonas aeruginosa
• Antibiotic resistance

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