A Patient Reports Persistent Nasal Blockage, Nasal Discharge, and Facial

A patient reports persistent nasal blockage, nasal discharge, and facial pain lasting on the right side for the past 5 months. There is no history of sneezing or eye involvement. The patient has a history of seasonal allergies and takes a non-sedating antihistamine. What does the provider suspect is the cause of these symptoms?

A) Allergic rhinitis
B) Autoimmune vasculitides
C) Chronic rhinosinusitis
D) Rhinitis medicamentosa