6 Weeks ago I had quite bad constipation with blood and white mucus around stool, I had taken Amatripllin the day before for first time. It lasted until following week thrn doctor told me to stop and take Laxatives which I did for a day and went back to normal for 2 weeks. Constipation started again intermittently, so changed diet and used a nutribullet with fruit veg water eta and drank more and this improved things, stomach was a bit iffy and lower back pain. Last weekend had constipation again with straining not as bad as it's been but in Tuesday noticed a small bit of blood in jelly. Docs did blood test all normal and rectel exam week before was normal. I had normal stools since last Tuesday even first thing in morning, Thursday I had what looks like a small hair folicle of blood in jelly of stool. I have taken 3 FIT self check bowel tests all negative (the home ones). Since last week back pain lower has been sore more so at night and at times stomach feels like a knot in it when I Stretch like trapped gas as seem to have a lot more gas that I can feel when I eat at times in stomach etc. I'm 37 don't smoke or drink and bmi of 23. Doctor has now referred me to specialist but going out my mind could be bowel cancer etc. Anyone had anything similar especially stomach or back discomfort? It's at night I struggle more with stomach and back.