Due to the risk of rebound congestion (known by some as rhinitis medicamentosa or nasal spray addiction), over-the-counter decongestant medication such as Afrin should not be used for more than ...

Sinusitis complicated by nasal polyposis, rhinitis medicamentosa (inflammation from overuse of nasal decongestants), HIV infection, cystic fibrosis, Wegener's granulomatosis, and tumors may be ...