What is nose itchy because of? Why can often feel nose itchy, very afflictive, what disease is this?
Why does nose itch? The expert points out, nose itch suspicion is sinusitis to cause, divide into acute, chronic two kinds. Acute sinusitis can be caused by various bacterial infections. It is often secondary to viral infection after a cold.
Sometimes chronic maxillary sinusitis can be caused by tooth infection. During a cold, the nasal mucosa swells and blocks the ostium of paranasal sinus. The air in the sinus cavity is absorbed into the blood, and the negative pressure produces pain. This kind of sinusitis is called vacuum sinusitis. If the vacuum state continues to exist, there is fluid leakage in the sinus cavity, providing nutrition for bacterial infection. White blood cells and more fluid enter the sinuses, killing bacteria, increasing sinus pressure and causing more severe pain.