The septum is the wall dividing the cavity in your nose into two halves. When that wall moves too far away from center, it’s referred to as a deviated septum.
80 percent1 of people have a deviated septum but most are asymptomatic. Those who are symptomatic find difficulty breathing, experience headaches, or suffer with chronic sinus infections.
How to know if you have a deviated septum
If a crooked septum is blocking air from flowing into your nose evenly, one or both sides of the nose cavity can dry out. When the membranes inside the nose are dry it can cause a nosebleed. It’s common to occasionally see a drop or two of blood when blowing your nose. However, if you see more than that, or if a nosebleed occurs every day or so, see your ENT doctor. It may be the result of a deviated septum.