<prompt> Most common cause of nasal polyp in children is?Human papilloma virusAllergic rhinitisInveed papillomaRhinosporidiosis  <response>: Ans. isbi.e., Allergic rhinitisRe BRS Gross Anatomy p 405The most common cause of nasal polyp is allergic rhinitisNasal polyps are not paicularly common in children.Occasionally so-called allergic PolyPs are encountered and occasionally recurrent bouts of allergy and infection lead to chronic hyperophic polypoid rhinosinusitis.However most commonly when nasal polyps are encountered in children, the underlying problem is cystic fibrosis 