Type your tag names separated by a space and hit enter

Synovitis, Toxic

Synovitis, Toxic is a topic covered in the 5-Minute Emergency Consult.

To view the entire topic, please or purchase a subscription.

Emergency Central is a collection of disease, drug, and test information including 5-Minute Emergency Medicine Consult, Davis’s Drug, McGraw-Hill Medical’s Diagnosaurus®, Pocket Guide to Diagnostic Tests, and MEDLINE Journals created for emergency medicine professionals. Explore these free sample topics:

Emergency Central

-- The first section of this topic is shown below --



  • Nonspecific inflammation and hypertrophy of the synovium with an effusion of the hip joint inchildren
  • It can affect any joint but most commonly affects the hip.
  • Disease process is self-limiting.
  • Most common cause of acute hip pain and a limp in children aged 3–10.
  • Also referred to as acute transient synovitis and irritable hip syndrome.
  • Age group most affected is 3–6 yr.
  • Male > female (2:1)
  • Right hip > left


  • Cause of toxic synovitis is unknown.
  • Infectious etiology is suspected, because an upper respiratory infection precedes the symptoms of transient synovitis in ∼50% of cases.

-- To view the remaining sections of this topic, please or purchase a subscription --


Rosen, Peter, et al., editors. "Synovitis, Toxic." 5-Minute Emergency Consult, 5th ed., Lippincott Williams & Wilkins, 2016. Emergency Central, emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307318/1.3/Synovitis_Toxic.
Synovitis, Toxic. In: Rosen P, Shayne P, Barkin AZ, et al, eds. 5-Minute Emergency Consult. 5th ed. Lippincott Williams & Wilkins; 2016. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307318/1.3/Synovitis_Toxic. Accessed June 20, 2019.
Synovitis, Toxic. (2016). In Rosen, P., Shayne, P., Barkin, A. Z., Wolfe, R. E., Hayden, S. R., Barkin, R. M., & Schaider, J. J. (Eds.), 5-Minute Emergency Consult. Available from https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307318/1.3/Synovitis_Toxic
Synovitis, Toxic [Internet]. In: Rosen P, Shayne P, Barkin AZ, Wolfe RE, Hayden SR, Barkin RM, Schaider JJ, editors. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2016. [cited 2019 June 20]. Available from: https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307318/1.3/Synovitis_Toxic.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Synovitis, Toxic ID - 307318 ED - Rosen,Peter, ED - Shayne,Philip, ED - Barkin,Adam Z, ED - Wolfe,Richard E, ED - Hayden,Stephen R, ED - Barkin,Roger M, ED - Schaider,Jeffrey J, BT - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307318/1.3/Synovitis_Toxic PB - Lippincott Williams & Wilkins ET - 5 DB - Emergency Central DP - Unbound Medicine ER -