What Is The Cause Of Nasal Polyps? Nasal Polyps are the end result of sinus inflammation. We do not truly know what causes them. admin2022-12-06T22:31:49+00:00 Related Posts How Do I Know If I Have Winter Allergies? Gallery How Do I Know If I Have Winter Allergies? December 15th, 2022 How Do You Get Rid Of Winter Allergies? Gallery How Do You Get Rid Of Winter Allergies? December 15th, 2022 What Allergies Flare Up In Winter? Gallery What Allergies Flare Up In Winter? December 15th, 2022