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Tendonitis and Tendinosis

Tendonitis and Tendinosis is a topic covered in the 5-Minute Pediatric Consult.

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  • Tendonitis: inflammation of a tendon or along the tendon sheath due to microtears
  • Tendinosis: tendon collagen degeneration due to chronic overuse


  • Increases with age and at time of puberty
  • May be slightly more common in girls

Risk Factors


Hypermobile individuals may be prone to tendonitis.


Inflammation and microtearing may be present.


  • Tendinosis associated with repetitive motion/overuse activities
  • Can also see with inflammatory rheumatic disease
  • Tendonitis associated with fluoroquinolone antibiotic use

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Cabana, Michael D., editor. "Tendonitis and Tendinosis." 5-Minute Pediatric Consult, 8th ed., Wolters Kluwer, 2019. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617520/all/Tendonitis_and_Tendinosis.
Tendonitis and Tendinosis. In: Cabana MD, ed. 5-Minute Pediatric Consult. 8th ed. Wolters Kluwer; 2019. https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617520/all/Tendonitis_and_Tendinosis. Accessed April 22, 2019.
Tendonitis and Tendinosis. (2019). In Cabana, M. D. (Ed.), 5-Minute Pediatric Consult. Available from https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617520/all/Tendonitis_and_Tendinosis
Tendonitis and Tendinosis [Internet]. In: Cabana MD, editors. 5-Minute Pediatric Consult. Wolters Kluwer; 2019. [cited 2019 April 22]. Available from: https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617520/all/Tendonitis_and_Tendinosis.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Tendonitis and Tendinosis ID - 617520 ED - Cabana,Michael D, BT - 5-Minute Pediatric Consult UR - https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617520/all/Tendonitis_and_Tendinosis PB - Wolters Kluwer ET - 8 DB - Pediatrics Central DP - Unbound Medicine ER -