Bleeding hemorrhoids occur when the hemorrhoids become scratched, usually through passage of hard stools. Untreated hemorrhoids can lead to complications like pain,iron deficiency anemia
and even gangrene
You must consult your doctor and get a proper treatment done which could mean either banding or sclerosing injections or hemorrhoidectomy.
There are various surgical procedures available and the mode of approach can be discussed with your doctor.
Although you can adopt conservative approach like taking plenty of water along with fibre and keeping your stool soft,but the fact is you can't depend upon this for lifelong.
Sooner or later,you would have to adopt some surgical option for long lasting cure.