A nosebleed, also known as epistaxis, is bleeding from nose the Blood can also flow down into the stomach and cause nausea, vomiting and in more severe cases blood may come out of both nostrils .Rarely bleeding may be so significant low blood pressure occurs.
Most interior nosebleeds can be stopped by applying direct pressure, which helps by promoting blood clots. Those who suffer a nosebleed should first attempt to blow out any blood clots and then apply pressure for at least five minutes and up to 20 minutes. Pressure should be firm and tilting the head forward helps decrease the chance of nausea and airway obstruction as seen in the picture on the right. When attempting to stop a nosebleed at home, the head should not be tilted back Swallowing excess blood can irritate the stomach and cause vomiting.