They are common and often harmless when you have a cold and your nasal lining is much more swollen.
Sit forward and breathe through mouth. Pinch the lower fleshy end of the nose for 10-20 minutes. Repeat twice more if necessary. Sucking ice cubes can help stop the bleeding and hot drinks should be avoided in the short term after a nose bleed.
If bleeding persists make arrangement to be taken to A&E.
Many GPs will cauterise nasal vessels in patients with recurrent nosebleeds, a simple procedure, which will provide lasting relief in most patients. If your doctor does not provide the procedure, he or she can refer you within Bracknell and Ascot CCG to another local practitioner, who will.