Welcome to Health care magic forum,Dull headache
,heaviness in head and sore throat
could be symptoms of chronic sinusitis
. It may be associated with nasal discharge, but blood stained discharge is rare. If you got a blood stained discharge than you may take few first aid treatments like pinch your nostril with two finger and sit forward for 5 to 6 minute. Don't be panic because it may raise your B.P. Than apply some cold compression with ice pack. You can use some xylometazoline
nasal drops too.
Avoid blowing of nose for 24 to 48 hrs. If symptom persits than see an ENT specialist
for X-ray PNS or CT Scan or a diagnostic nasal endoscopy to see the source and the cause.