Nicotine affects the small bowel and colon. When you take the nicotine away, you may experience constipation as your body adjusts to going without it.

How long does constipation last after quitting smoking?

Intestinal difficulties like nausea, gas, and constipation are all considered symptoms of withdrawal from tobacco products. 1 While not pleasant, digestive issues do usually resolve themselves in a matter of weeks, so don't let the discomforts derail your quit program.

Does smoking affect bowel movements?

But smoking does have a major impact on your gut health. It increases your risk for bowel disorders that can cause diarrhea and other GI symptoms. Quitting can reduce and even reverse some of these effects.