colon cancer or hemroids

How much will an internal hemroid bleed?

I think i have an internal hemroid or anal fissure and ive gone to the bathroom and had blood in the toilet 3 times now in 2 days. Is that Strange for a Hemroid or Anal fissure? and yes i know this is a sign of colon cancer, but im only 18 so im guessing its not that (its like 0.1 % of people under 20 get it. Also i had a really hard stool pass the first time I had blood in the toilet. It even had a sharp feel to it, and have had hemroids in the past. its not a lot of blood so im not extremely worried. So how long will it bleed if it is an internal hemroid or anal fissure? Thanks also how often and how much would it bleed if it was colon cancer. Also i dont show any other signs of Colon cancer. I feel completly normal other than the blood thing.
So to be specific how many days is it going to bleed? It dosent bleed all the time, Just when i go.

It should stop bleeding after you went to the bathroom. If the bleeding continues for more than 2 hours you should call a doctor.
In the mean time, eat more fiber, fruits and grains or even have some prune juice in the house to keep regular. Benefiber is also great you can mix it with water, it has no taste whatsoever, it keeps your stool soft to keep the pressure away from the tissue.