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Acute sinusitis - Diagnosis and treatment - Mayo Clinic
The 5 Best OTC Treatments for Treating Sinus Infections - GoodRx
Should I Use A Nasal Spray For A Sinus Infection?
Mayo Clinic Q and A: Sinusitis and treatment options
5 Best OTC Nasal Sprays - Healthline
Acute sinusitis: Do over-the-counter treatments help?
OTC Sinus Infection Drugs: Which Is Best? - Verywell Health