Characterizing the Online Discourse on Facial Paralysis: What Patients Are Asking and Where They Find Answers.

Background: With the rising popularity of online search tools, patients seeking information on facial palsy are increasingly turning to the Internet for medical knowledge. Objective: To categorize the most common online questions about Bell's palsy or facial paralysis and the sources that provide answers to those queries. Methods: Query volumes for terms pertaining to facial palsy were obtained using Google Search trends. The top 40 keywords associated with the terms "Bell's palsy" and "facial paralysis" were extracted. People Also Ask (PAA) Questions-a Google search engine response page feature-were used to identify the top questions associated with each keyword. Results: A total of 151 PAA Questions pertaining to the top 40 keywords associated with "Bell's palsy" and "facial paralysis" were identified. Etiology questions were most frequent (n = 50, 33.1%), meanwhile those pertaining to treatment were most accessible (119.5 average search engine response pages/question, 35.5%). Most sources were academic (n = 81, 53.6%). Medical practice group sites were most accessible (211.9 average search engine response pages/website, 44.8%). Conclusion: Most PAA questions pertained to etiology and were sourced by academic sites. Questions regarding treatment and medical practice sites appeared on more search engine response pages when compared with all other categories.