This is not a prescription. Using medicines without the guidance of a licensed provider can be lethal.
Sympyoms last for
- Acute rhinosinusitis – < 4 weeks
- Subacute rhinosinusitis — 4 to 12 weeks
- Chronic rhinosinusitis – > 12 weeks
- Recurrent acute rhinosinusitis – Four or more ARS episodes in a year per year, with interim symptom resolution.