Hi, This Is Sherrie.....I Was Diagnosed With IBS-d So Do

Hi, This is Sherrie.....I was diagnosed with IBS-d so do you recommend I have a Colonoscopy? I been having other symptoms as in headaches/stomach pains & nausea, I don't know what to do but my Mother passed away with Stomach CA so U can see my concern. Thank you for your time & reply. Sherrie