Why does abdominal pain occur after menstruation ends?

Under normal circumstances, many women experience abdominal pain before the onset of menstruation—a phenomenon primarily driven by fluctuations in hormonal levels. However, some women report abdominal pain *after* their menstrual period has ended. What could be causing this post-menstrual abdominal pain?

What Causes Abdominal Pain After Menstruation?

The most common cause of abdominal pain following menstruation is pelvic inflammatory disease (PID). Both acute and chronic forms of PID can manifest with pronounced lower abdominal pain after menstruation. In cases of acute PID, women often experience severe abdominal pain—frequently triggered by poor hygiene during menstruation or engaging in sexual intercourse during the menstrual period.

However, if a woman experiences paroxysmal (intermittent) periumbilical pain accompanied by increased stool frequency and changes in stool consistency, acute enteritis is likely the underlying cause—often resulting from consumption of contaminated food or ingestion of irritating foods. Treatment typically involves symptomatic management, including anti-inflammatory and antidiarrheal therapy. For PID, antibiotic therapy combined with analgesics is recommended.

Since isolated abdominal pain may have multiple potential causes, it is advisable to avoid raw or cold foods and apply a warm compress (e.g., a hot water bottle) to the abdomen to alleviate discomfort. Over-the-counter analgesics such as ibuprofen may also be used for temporary pain relief, if needed. Nevertheless, persistent or recurrent post-menstrual abdominal pain warrants medical evaluation, as it may adversely affect daily functioning and quality of life. We hope this information is helpful to you!