Understanding the Root Triggers Behind Nasal Blockage, Snoring & Sinus Issues Many patients visiting ENT clinics in Bangalore complain of persistent nasal congestion , snoring , or repeated sinus infections . A common but underdiagnosed culprit behind these symptoms is a Deviated Nasal Septum (DNS) — where the thin wall between your nostrils is tilted or displaced to one side . But what causes this seemingly simple yet troublesome condition? Let’s explore the 7 key causes