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[Antibiotic-induced hemorrhagic cystitis]
1Odense Universitetshospital, medicinsk afdeling C. ftn@dou.dk
Abstract:
Two cases of haemorrhagic cystitis following treatment with methicillin and penicillin G are presented. Two males, aged 24 and 45 years, presented identical symptoms including haematuria, dysuria and pollakisuria. The condition has in rare instances been described as caused by antibiotic treatment; in all cases a penicillin was involved. All symptoms promptly vanished when the antibiotic treatment was stopped, and the reactions were possibly allergic since cross-reactions between different penicillins have been described in earlier cases.
Insights
Two male patients experienced hemorrhagic cystitis after receiving methicillin and penicillin G. Symptoms resolved upon antibiotic discontinuation, suggesting a possible allergic reaction to penicillins.
Area of Science:
- Pharmacology
- Urology
Background:
- Antibiotic-induced adverse drug reactions can manifest in various clinical settings.
- Hemorrhagic cystitis is a recognized, albeit rare, complication associated with certain medications.
Observation:
- Two male patients, aged 24 and 45, presented with acute onset of hematuria, dysuria, and pollakisuria.
- Both patients had recently been treated with methicillin and penicillin G, respectively.
Findings:
- The presented cases link methicillin and penicillin G to hemorrhagic cystitis.
- Symptoms resolved rapidly after cessation of antibiotic therapy.
- The rapid resolution and history of cross-reactivity suggest an allergic mechanism.
Implications:
- Clinicians should consider antibiotic-induced hemorrhagic cystitis in patients presenting with these urinary symptoms.
- Awareness of potential cross-reactivity among penicillins is crucial for patient management.
- Further investigation into the immunologic mechanisms of antibiotic-induced cystitis is warranted.