Table 2.

Investigational nasal formulations for antibiotic delivery.

Antibiotic	Form	Therapeutic Indication	Refs.
Mupirocin	Solution	Chronic rhinosinusitis	[23,24,25]
Mupirocin and neomycin	Ointment	Staphylococcal rhinitis	[26]
Tobramycin	Spray	Bacterial rhinosinusitis	[27]
	Solution	Nasal polyposis	[28]
Vancomycin	Solution	Sinonasal polyposis	[29]
Ciprofloxacin	Drops, spray, gel	Chronic rhinosinusitis	[30]
	Microemulsion	S. aureus infection	[31]
	Gel in situ	Local infection	[32]
Levofloxacin	Gel in situ	Local infection	[33]