I have pressure on my bladder and urinary urgency with very bad nocturia, I am also suffering from IBS. Are these two connected?

Cystitis, prostatic. it is important to know the temporal relationship of these two groups of symptoms as well as duration of each group of symptoms. In several conditions one can have both bowel and lower urinary tract symptoms, such as prostatitis, prostatic abscess, psoas abscess, tumor, mass, parasites etc.,