This study lasts from 10 days to 3 weeks.  During the study, all participants will be asked to:

• Meet once with a study doctor and study coordinator

• Keep track of symptoms in a 1-minute daily diary (completed

via text or on paper)

• Use a Nasal Irrigation System, a type of nasal wash system to rinse your sinuses (as needed). The study team will provide detailed information on how to use the nasal wash system. 

You can also click on the links below for instructions.

• Use over-the-counter medications, as discussed with your clinician

If you are still sick (or you have been sick) for more than 9 days, 

you will be randomly placed (put by chance) in one of the following four study treatment groups to receive:

• Antibiotics

• Antibiotic and a steroid nose spray

• Placebo antibiotics

• Placebo antibiotics and a steroid nose spray