do not take linzess if you have a bowel blockage. get immediate help if you develop unusual or severe stomach pain. especially with bloody or black stools. the most common side effect is diarrhea. sometimes severe. if it's severe, stop taking linzess and call your doctor right away. other side effects include gas, stomach area pain and swelling. i'm doing it all. and i said "yes" to linzess. ask your doctor about linzess. ♪ ♪ i'm a regular in my neighborhood. i'm a regular at my local coffee shop and my local barber shop. when you shop small you help support your community - from after school programs to the arts! so become a regular, more regularly. because for every dollar you spend at a small business,