Causes of left lower quadrant abdominal pain

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Diffuse Abdominal Pain
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Mugilan Poongkunran M.B.B.S [2]


Pain in the lower left side of the abdomen is often related to the digestive tract, urinary tract, or reproductive organs. Severe pain can be a symptom of inflammation of the bowel or bowel obstruction and in women it can result from twisting of an ovary (ovarian torsion), rupture of an ovarian cyst, ectopic pregnancy, or pelvic inflammatory disease. Men may experience severe left lower quadrant pain from testicular torsion or injury. Mild to moderate pain is usually due to indigestion, inflammation or from menstrual cramps in women.


Life Threatening Causes

Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.

Causes of left lower quadrant abdominal pain developed by

Common Causes

Causes of left lower quadrant abdominal pain developed by

Causes by Organ System

Cardiovascular Abdominal aortic aneurysm rupture, ischemic colitis, malignant hypertension, mesenteric artery ischemia, rheumatoid vasculitis, systemic vasculitis
Chemical/Poisoning Ethylene glycol poisoning, food poisoning, heavy metal poisoning, methanol, organophosphate poisoning
Dental No underlying causes
Dermatologic Scarlet fever, shingles
Drug Side Effect Statins, steroid abuse, thrombolytic therapy, vitamin D toxicity
Ear Nose Throat No underlying causes
Endocrine Carcinoid, diabetic ketoacidosis
Environmental Organophosphate poisoning
Gastroenterologic Abdominal compartment syndrome, acute diverticulitis, chronic constipation, collagenous colitis, colon cancer, colonic lymphoma, Crohn's disease, diverticular abscess, eosinophilic gastroenteritis, familial adenomatous polyposis, fecal impaction, gastroenteritis, hepatorenal syndrome, inguinal hernia, internal hernia, intestinal pseudo-obstruction, intussusception, irritable bowel syndrome, ischemic colitis, large bowel obstruction, malignant peritoneal mesothelioma, mesentric lymphadenitis, omental cyst, pelvic abscess, perforated gastric ulcer, perianal abscess, peritonitis, porphyria, proctalgia fugax, rectal abscess, rectal injury, rectal ulcer, small bowel adhesions, small bowel obstruction, strangulation of hernia, ulcerative colitis, visceral hamartoma, visceral hemangioma, volvulus, wandering spleen syndrome
Genetic Colon atresia, familial adenomatous polyposis, porphyria, Von Hippel-Lindau disease
Hematologic Lymphoma, porphyria
Iatrogenic Colonic surgery, colonoscopy, hysterectomy with bilateral salpingo-oophorectomy, intra abdominal adhesions, percutaneous abdominal biopsy, peritoneal dialysis, radiation therapy, referred pain
Infectious Disease Bacteroides, chlamydia, cystitis, gardnerella vaginalis, gastroenteritis, gonorrhea, HIV, miliary tuberculosis, mumps, pelvic inflammatory disease, peritonitis, psoas abscess, seminal vesiculitis, salpingitis, septic arthritis, shingles, transient synovitis, tuboovarian abscess
Musculoskeletal/Orthopedic Hip dislocation, polymyositis, psoas abscess, septic arthritis, transient synovitis
Neurologic No underlying causes
Nutritional/Metabolic No underlying causes
Obstetric/Gynecologic Abortion, bacterial vaginosis, bacteroides, broad ligament neoplasms, child birth, chlamydia, corpus luteum of pregnancy, cystitis, dysmenorrhoea, eclampsia, ectopic pregnancy, endometriosis, endometritis, fallopian tubal carcinoma, gardnerella vaginalis, gestational trophoblastic disease, gonorrhea, hydatid cyst of morgagni, infarction or torsion of uterine leiomyoma, intra-uterine device, luteoma, mittelschmerz, ovarian cancer, ovarian cyst, ovarian hyperstimulation syndrome, ovarian metastasis, ovarian torsion, paramesonephric cysts, pelvic inflammatory disease, polycystic ovary syndrome, Reiter’s syndrome, salpingitis, theca lutein cysts, uterine fibroids, uterine torsion
Oncologic Colon cancer, colonic lymphoma, familial adenomatous polyposis, ovarian metastasis, ovarian cancer, tumor lysis syndrome, uterine fibroids, visceral hamartoma, visceral hemangioma, Von Hippel-Lindau disease
Ophthalmologic No underlying causes
Overdose/Toxicity Cocaine overdose, steroid abuse
Psychiatric Intestinal pseudo-obstruction, irritable bowel syndrome
Pulmonary No underlying causes
Renal/Electrolyte Ureteral colic, urinary outflow obstruction, Von Hippel-Lindau disease
Rheumatology/Immunology/Allergy Allergic gastroenteropathy, Crohn's disease, food intolerance, Henoch-Schönlein purpura, rheumatoid vasculitis, scarlet fever, systemic lupus erythematosus, systemic vasculitis, ulcerative colitis
Sexual Seminal vesiculitis, testicular torsion, torsion of epididymis
Trauma Electrical burns, pelvic bone fractures
Urologic Bladder distension
Miscellaneous Chronic constipation, foreign body ingestion, idiopathic, inguinal lymphadenopathy, splenosis

Causes of left lower quadrant abdominal pain developed by

Causes in Alphabetical Order

Causes of left lower quadrant abdominal pain developed by



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