Other causes include vasculitis, a form of inflammation that affects the veins or leukemia or lymphoma that affects red or white blood cells or platelets in your blood. Uncontrolled diabetes can lead to bleeding disorders including vWD and hemophilia A and B (also called Christmas disease).If you are experiencing a chronic bleeding disorder, such as von Willebrand disease (vWD), you might get chronic bleeding from your nose even after treatment has stopped.The smell of blood in the nose might indicate an underlying problem such as heart problems, blood clots, or cancer.The smell of blood in your nose may also be caused by an infection, especially if:.The smell of blood in the nose may be caused by nasal polyps, a growth that can occur on the nasal septum and cause symptoms like a bloody discharge from your nose.The doctor may not have found the cause of your nosebleed.Why Do I Still Smell Blood After I’ve Seen The Doctor? If a collapsed blood vessel is causing the smell, it will not cause bleeding because there is no way for the blood to escape. The smell of blood in your nose is often caused by an infection, but it can also be caused by a collapsed blood vessel.This is because when air enters with the smell of blood, it’ll either cause nasal congestion as well as bleeding if there was no infection involved. If you have sinusitis or otitis media and your immune system has produced red cells and plasma, this will cause your nose to run like water while leaving behind the smell of blood. The smell of blood in your nose can be caused by sinusitis or otitis media.The smell of blood in your nose is usually caused by an infection, but it can also be caused by a collapsed blood vessel.These cells are not truly blood but are still red in color. These cells can then leak out of a ruptured vessel and be released into your nose, causing blood-like symptoms. When an airway becomes blocked, it causes the body to produce red blood cells and plasma through the bone marrow. The smell of blood in your nose is different from actual bleeding because it is usually caused by ruptured blood vessels. How Is The Smell Of Blood In Your Nose Different From Actual Bleeding? This is because when air enters with the smell of blood, it will either cause nasal congestion as well as bleeding if there was no infection involved. The reason why it doesn’t bleed is that there is no way for the blood to escape. The first thing you have to understand is that when you experience the smell of blood in your nose but not bleeding, it could be caused by an infection or a collapsed blood vessel. So, Why do I smell blood in my nose but not bleeding? When the blood vessels rupture, they can allow air to enter your nose, causing blood-like symptoms. This happens when your body’s immune system fights infection by producing red blood cells and plasma through your bone marrow. The smell of blood coming from the nose indicates that you have a collapsed or ruptured blood vessel, usually resulting from an infection, such as sinusitis or otitis media. Some people often experience a strong smell of blood in their noses, but this is not the same as bleeding.