Causes of right lower quadrant abdominal pain

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Abdominal pain Microchapters


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Diffuse Abdominal Pain
Left Upper Quadrant
Left Flank
Left Lower Quadrant
Epigastric Quadrant
Umbilical Region
Pelvic Region
Right Upper Quadrant
Right Flank
Right Lower Quadrant

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vendhan Ramanujam M.B.B.S [2]


Acute right lower quadrant abdominal pain arises from the distal gastrointestinal tract and is accompanied by other symptoms like diarrhea, hematochezia and tenesmus. With the most common cause being appendicitis, pain from above abdominal and below pelvic structures may also radiate towards this quadrant. In females, obstetric and gynecological causes must also be considered in addition to the usual causes.


Life Threatening Causes

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

Causes of right lower quadrant abdominal pain developed by

Common Causes

Causes of right lower quadrant abdominal pain developed by

Causes by Organ System

Cardiovascular Leaking aortic aneurysm, mesenteric ischemia
Chemical/Poisoning No underlying causes
Dental No underlying causes
Dermatologic Herpes zoster
Drug Side Effect No underlying causes
Ear Nose Throat No underlying causes
Endocrine Carcinoid tumor
Environmental No underlying causes
Gastroenterologic Acute appendicitis, adhesions, ascending colon carcinoma, ascending colon obstruction, cecal carcinoma, cecal volvulus, colitis, Crohn's disease, ileal obstruction, ileitis, incarcerated inguinal hernia, inflammatory bowel disease, inguinal hernia, intestinal volvulus, intussusception, Meckel diverticulitis, mesenteric ischemia, mesenteric lymphadenitis, pseudo appendicitis, right sided diverticulitis, strangulation, terminal ileitis, typhilitis, Yersinia enterocolitica gastroenteritis
Genetic No underlying causes
Hematologic No underlying causes
Iatrogenic Adhesions
Infectious Disease Adnexitis, colitis, cystitis, endometritis, herpes zoster, ileitis, lymphogranuloma venereum, pelvic inflammatory disease, psoas abscess, salpingitis, seminal vesiculitis, septic arthritis, terminal ileitis, transient synovitis, tuboovarian abscess, typhilitis, Yersinia enterocolitica gastroenteritis
Musculoskeletal/Orthopedic Hip dislocation, psoas abscess, septic arthritis, transient synovitis
Neurologic No underlying causes
Nutritional/Metabolic No underlying causes
Obstetric/Gynecologic Ectopic pregnancy, endometrial stromal sarcoma, endometrioma, endometriosis, endometritis, fallopian tube torsion, hemorrhagic ovarian cyst, hydrosalpinx, infarction or torsion of ovarian cyst, infarction or torsion of uterine leiomyoma, malignant mixed Mullerian tumor, ovarian hyperstimulation syndrome, ovarian neoplasm, pelvic inflammatory disease, rupture of ectopic pregnancy, ruptured ovarian cyst, salpingitis, tuboovarian abscess, uterine torsion
Oncologic Ascending colon carcinoma, carcinoid tumor, cecal carcinoma, endometrial stromal sarcoma, endometrioma, infarction or torsion of uterine leiomyoma, malignant mixed Mullerian tumor, ovarian neoplasm
Ophthalmologic No underlying causes
Overdose/Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary No underlying causes
Renal/Electrolyte Cystitis, Henoch-Schönlein purpura, renal colic, ureteral colic, ureterolithiasis, urolithiasis
Rheumatology/Immunology/Allergy Colitis, Crohn's disease, Henoch-Schönlein purpura, inflammatory bowel disease
Sexual Seminal vesiculitis, testicular torsion, torsion of epididymis
Trauma Collision, falls, visceral laceration or rupture
Urologic No underlying causes
Miscellaneous Colonic pseudoobstruction, foreign body ingestion, inguinal lymphadenopathy

Causes of right lower quadrant abdominal pain developed by

Causes in Alphabetical Order


  1. Rennie, AT.; Tytherleigh, MG.; Theodoroupolou, K.; Farouk, R. (2006). "A prospective audit of 300 consecutive young women with an acute presentation of right iliac fossa pain". Ann R Coll Surg Engl. 88 (2): 140–3. doi:10.1308/003588406X94887. PMID 16551402. Unknown parameter |month= ignored (help)
  2. Millet, I.; Alili, C.; Pages, E.; Curros Doyon, F.; Merigeaud, S.; Taourel, P. (2012). "Infection of the right iliac fossa". Diagn Interv Imaging. 93 (6): 441–52. doi:10.1016/j.diii.2012.04.026. PMID 22658341. Unknown parameter |month= ignored (help)


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