What Causes Yellow Mucus Diarrhoea Along With Nausea And Bloating Of Abdomen?

I recently had bloody stool. It lasted for a day, now it s gone. However, I also have chronic yellow diarrhea with mucous. My diarrhea is 5-9 times a day for the last few years. I also have nausea, bloating and a sour stomach. I m mostly concerned about the bloody diarrhea. What could these symptoms be Anne how soon should I see a dr.?