Iliopsoas Abscess Quiz

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Aiko Yoshioka

Aiko Yoshioka, MD (Gastroenterology)

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Learn more about Iliopsoas abscess

Content updated on Nov 2, 2022

What is iliopsoas abscess?

A collection of pus around the iliopsoas muscle (a muscle connecting the lower back and pelvis). This is sometimes caused by bacteria spreading from nearby infections. In other cases, the immune system is weakened, allowing bacteria from distant areas to travel to the muscle via the bloodstream.

Symptoms of iliopsoas abscess

  • Low back pain

  • Fever

  • Pain on pressing my lower back

  • Back pain

  • Groin pain

Questions your doctor may ask to check for iliopsoas abscess

Your doctor may ask these questions to diagnose iliopsoas abscess

  • Do you have pain in the lumbar back?

  • Do you have a fever?

  • Does your lower back pain worsen when pressing on the affected area?

  • Do you have back pain?

  • Do you have groin pain?

Treatment for iliopsoas abscess

This usually requires strong antibiotics to treat the infection. A procedure or surgery may be needed to drain pus from the abscess (collection).

View the symptoms of Iliopsoas abscess


  • Shields D, Robinson P, Crowley TP. Iliopsoas abscess--a review and update on the literature. Int J Surg. 2012;10(9):466-9. doi: 10.1016/j.ijsu.2012.08.016. Epub 2012 Sep 5. PMID: 22960467.

  • Li Y, Funakoshi H, Shiga T, Fujitani S. Iliopsoas abscess. Cleve Clin J Med. 2017 Nov;84(11):833-834. doi: 10.3949/ccjm.84a.17002. PMID: 29173253.

  • Chang CY, Teoh SC. Primary iliopsoas abscess due to Staphylococcus aureus bacteremia. Rev Soc Bras Med Trop. 2020 Nov 13;54:e20200264. doi: 10.1590/0037-8682-0264-2020. PMID: 33206883; PMCID: PMC7670753.

Reviewed By:

Aiko Yoshioka

Aiko Yoshioka, MD (Gastroenterology)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD


Kameda Medical Center, Japan

Yu Shirai

Yu Shirai, MD


Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

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