bloody mucus

i first experienced blood in my stool about 2 months ago it only lasted for 5 days and went away i thought maybe i was just constipated and i just strained too hard but my stool was type 4 on the bristol chart i stopped having blood but a month later i got it again and its been carrying on first it was just blood mixed in my stool but now its bloody mucus on top of my stool ive had other symptoms too ive been really tired lately stomach pain loss of apetite and change in bowel habits one day i might be really constipated and the next its almost diarreha (number 5 on bristol stool chart) then its normal again. ive already had a blood test and the GP suspects IBD ive been tested for fecal calprotectin liver damage and some over things i dont think its cancer but im just worried thanks.