Blood has been coming out of my left nose for 2...

Managment : 
When we taik about nasal bleeding we should focus about many causes of this  bleeding i will acount it below , but in your case we can thinking about main cause is dryness of nose so it dry blood vessels inside nose and when you have any picking or trauma will bleed immediatly because nose is very rich with blood vessels . 
we can trrat it by avoid dryness and use lubricent and avoid any trauma , another important cause we should exame platlete count and functions to be sure there is no related to this bleedin . 
if bleed occur we should immediatly compress nose without elevate head to back only compress with normal position enough , if bleed continue we shoulg go to cautary by ENT doctor
Diagnosis : 
If it stop by compress you do not need to go to doctor only you should avoid dryness and dry area and use lubricent to avoid it in future 
if it is continue i advise you to go to ENT doctor to do local examination and determine cause and treat it 
if ENT is clear you should go to internal medicine to examin your blood and platlete count and functions