Nosebleeds (epistaxis, nose bleed) can be dramatic and frightening. Fortunately, most nosebleeds are not serious and usually can be managed at home, although sometimes medical intervention may be necessary.
Systemic disease can cause nosebleeds. Nosebleeds may be due to inflammationThe complex biological response of vascular tissues to harmful stimuli such as pathogens or damaged cells. It is a protective attempt by the organism to remove the injurious stimuli as well as initiate the healing process for the tissue. and exacerbated by immune system response.
This Medscape article gives physicians advice on how to treat a nosebleed.