17 Hints to Stop the Flow. There's nothing like a nosebleed to give you some idea about the sheer quantity of blood you routinely carry around in your head. Vast amounts circulate through capillaries in the nose alone. Blow the clot out. That removes any clots that are keeping the blood vessel open.
Blood vessels have elastic fibers.
If you can get the clot out, you can get the elastic fibers to contract around that tiny opening. It saves you a lot of nonsense. Sometimes, blowing the nose and applying a little pressure is enough to stop the bleeding pronto. Plug the bleeding side with wet cloth. But Jeral Principato, M.D., an otolaryngologist in private practice in Bethesda, Maryland, and associate clinical professor of otolaryngology at George Washington University School of Medicine and Health Sciences, favors white vinegar.