Rationale:
Systemic antibiotics do not provide sufficient coverage against the bacteria that cause most cases of acute otitis externa, as they do not effectively reach the infection site. In contrast, topical administration of an appropriate product offers good coverage against these organisms.
References:
- Rosenfeld RM, Schwartz SR, Cannon CR, et al. Clinical practice guideline: acute otitis externa. Otolaryngol Head Neck Surg. 2014;150(1 Suppl):S1-S24.
- http://www.antibiotikaiallmennpraksis.no/index.php?action=showtopic&topic=nHfSj23K