Can appendicitis cause constipation?

Nov 03, 2025 Source: Cainiu Health
Dr. Wang Lei
Introduction
In general, whether appendicitis causes constipation depends on the specific condition and stage of the disease. If discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. When abdominal pain is accompanied by constipation, one should observe for signs suggestive of appendicitis, such as localized pain in the lower right abdomen and fever, and avoid using strong laxatives on one's own.

In general, whether appendicitis causes constipation depends on the specific condition and stage of the disease. If discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. The detailed analysis is as follows:

If appendicitis is in its early stage, with localized inflammation that has not significantly affected intestinal function, constipation usually does not occur. At this point, the inflammation mainly affects the appendix locally, causing symptoms such as right lower abdominal pain and nausea. Intestinal motility remains largely normal, and bowel habits generally do not change significantly. In fact, some individuals may even experience a slight increase in bowel movements due to mild intestinal stimulation.

However, if appendicitis worsens and the inflammation spreads to surrounding intestines or forms an abscess that compresses the bowel, constipation may develop. Severe inflammation can impair intestinal motility, obstructing the passage of intestinal contents. Additionally, patients may suppress defecation due to fear that increased abdominal pressure during bowel movements could intensify pain, further exacerbating difficulty in passing stool. Some individuals may also experience accompanying symptoms such as bloating and cessation of flatus.

When abdominal pain is accompanied by constipation, it is important to watch for signs suggestive of appendicitis, such as fixed pain in the right lower abdomen and fever. Avoid using strong laxatives on your own, as they may mask the condition or increase the burden on the intestines. Maintain a light, easily digestible diet and ensure adequate fluid intake. If constipation persists and abdominal pain does not improve, prompt medical evaluation is essential to determine the underlying cause and initiate appropriate treatment—do not delay seeking care for potentially serious inflammatory conditions.

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