What it is
Chronic lower abdominal pain encompasses gynaecological, gastrointestinal, urological, and musculoskeletal causes.
Persistent pain in the lower abdomen lasting three months or more. Encompasses a wide range of gynaecological, urological, gastrointestinal, musculoskeletal, and psychosomatic causes.

At a glance
What it is
Chronic lower abdominal pain encompasses gynaecological, gastrointestinal, urological, and musculoskeletal causes.
Commonly experienced as
Evidence context
Emerging evidenceSee the evidence snapshotSafety
See staying safeHistory & Origin
Chronic lower abdominal pain describes persistent or frequently recurring pain in the lower abdomen — below the umbilicus — lasting three months or longer. In women, it frequently reflects gynaecological causes including endometriosis (tissue similar to the uterine lining growing outside the uterus, producing cyclical and non-cyclical pelvic pain), adenomyosis, pelvic inflammatory disease, ovarian cysts, or interstitial cystitis. In all genders, irritable bowel syndrome (particularly affecting the sigmoid colon), diverticular disease, Crohn's disease of the terminal ileum, and bladder conditions are important contributors. The overlap between gynaecological and gastrointestinal causes of lower abdominal pain frequently delays diagnosis — comprehensive assessment considering both systems is essential.
The Evidence
What research and clinical practice currently tell us about chronic lower abdominal pain — its causes, assessment, and care pathways.
A common, often underinvestigated pain pattern
Chronic lower abdominal pain is common among women of reproductive age, with prevalence estimates varying widely across studies. Multiple overlapping causes span gynaecological, gastrointestinal, and musculoskeletal systems, and evidence supports thorough multi-system assessment rather than a single-cause approach.
Seek urgent care for acute severe lower abdominal pain with fever, which may indicate pelvic inflammatory disease or appendicitis. Anyone of reproductive age with lower abdominal pain and a missed period should be assessed promptly to exclude ectopic pregnancy. Rectal bleeding, blood in urine, or rapidly worsening chronic pain also warrant same-day evaluation.
Endometriosis is a significant contributor to chronic pelvic pain and requires laparoscopy for confirmed assessment. Pelvic floor physiotherapy has good evidence for musculoskeletal contributors. Pain neuroscience education and psychological approaches show emerging evidence where central sensitisation is involved. Overall, evidence quality varies by cause and intervention.
Because gynaecological and gastrointestinal causes frequently overlap, assessment by both a gynaecologist and a gastroenterologist may be warranted. Pelvic floor physiotherapists and pain specialists can contribute meaningfully to care planning. Delaying investigation — particularly where endometriosis or other gynaecological conditions are suspected — is a recognised safety concern.
Conventional care may include hormonal therapies, physiotherapy, and pain support strategies. Complementary approaches such as acupuncture have emerging evidence for endometriosis-related pain. Long-term NSAID use without gastrointestinal protection carries safety considerations. A coordinated, person-centred care plan tends to produce better outcomes than single-modality approaches.
In Traditional Chinese Medicine, chronic lower abdominal pain is often approached through patterns such as Liver Qi stagnation or Blood stasis, particularly in gynaecological contexts. Ayurveda may apply warming, vata-balancing approaches. These frameworks reflect distinct health philosophies and should be explored alongside — not instead of — professional assessment for persistent or worsening pain.
Long-term use of high-dose NSAIDs without gastrointestinal protection can cause significant harm and should be discussed with a qualified practitioner. Persistent or worsening lower abdominal pain should not be self-managed indefinitely without professional assessment. Delayed investigation carries particular risk where endometriosis is a possibility, as diagnostic gaps for this condition are a well-documented concern.
Safety first
General, informational guidance — not diagnostic. A qualified practitioner can advise on your own situation.
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