Mucus in the nose helps trap germs and other particles to prevent them from entering the body. When mucus, germs, and particles dry out, it forms a booger in the nose. Removing it can be risky. Nose ...

Bloody boogers form when blood mixes with mucus in the nose and the mucus dries. Various causes may include nose-picking or ruptured vessels. The nose lining is delicate and rich in blood vessels, and ...

Post-nasal drip occurs when excess mucus accumulates in the back of the throat or nose, primarily due to allergies, infections, or irritants. Symptoms include throat clearing and coughing. Treatments ...

Hard boogers in the nose can be helpful in keeping dirt and germs out of your airways, but bloody boogers could indicate irritation or infection. If this is the case, a doctor can treat any underlying ...

University of Queensland provides funding as a member of The Conversation AU. If you have a blocked or runny nose, chances are you’ll reach for a tissue or hanky to clear the mucus by having a good ...

David King does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...