Answer
Cetraxal Plus ear drops are unlikely to cause clinically relevant changes in caffeine or theophylline blood levels because ciprofloxacin concentrations after ear administration are low, although no interaction studies have been performed.
Sources for this answer
- Cetraxal Plus 3 mg/ml + 0.25 mg/ml ear drops solution in single-dose containerAspire Pharma Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated
Sources checked