Hi, just looking to see if anyone has had the same symptoms as me and had a diagnosis as it is absolutely terrifying me!

so im 26 female.

For about 2 years now i have had blood in stool, honestly didn't think much of it until i had started looking up online after getting more symptoms.

i am now getting mucus in stool and pains in lower tummy. 
i have had problems for around 2 years also with going to the toilet. Sometimes cannot go for between 1-3 weeks then i get the most painful feeling in my tummy and then can go alot for a few days then back to not being able to go again.

have suffered from bad heartburn for roughly the same lenght of time ive had the bleeding.

been checked for hemeroids and its not that.

i have had bloods taken and have to hand in a stool sample and wait for the results but after reading symptoms online it has really worried me!

everything just seems to point to cancer, ive read online that IBS should not really cause blood in stool and i dont think its that anyway and neither does my doctor.

I also get the feeling of when ive been to the toilet its like i cant fully empty my bowels and still need to go. 
have times where i feel so sick that i cant move as it makes me feel 10x worse. I just have to sit or lay completely still untill the feeling passes.

i have periods where sleep etc is fine then ill have a week or two of just feeling soo tired and have to nap through the day.

I have lost weight recently but i have been trying to eat better but seems alot for the times that i lost it in.

also have had some itching through the day the last few weeks.

just looking for someone with the same or similar symptoms and has an idea of what it could be as i always think the worst and just cant get the idea of it being the worst out of my head!