Resolution of lung abscess due to Pseudomonas aeruginosa with oral ciprofloxacin: case report.

A case of lung abscess due to Pseudomonas aeruginosa is presented that did not resolve with the use of conventional antipseudomonal antibiotics, including tobramycin with ticarcillin-clavulanate and ceftazidime with gentamicin and ticarcillin-clavulanate. Oral ciprofloxacin was administered for 12 weeks, and the infection was resolved. No resistance occurred, and there was no recurrence of abscess within 18 months following therapy.