I have not had to use my finger to induce vomiting during a bowel obstruction attack because when I'm in a full on attack I automatically become nauseous and can't stop vomiting. But fortunately that hasn't happened for years, probably because I can now recognize the early signs and immediately stop eating solid food. But back between 2010-2013 I did nurse myself through multiple obstructions at home by taking stool softeners until I started to pass stool. My last full attack was in 2013 and that one took 16 hours to pass. Important to note that all of my obstructions have only been from strictures and not full blockages. Another absolute necessity when being in a full attack for me is my heating pad. Can't live without it on my abdomen, pretty much 24/7.