Tendinitis or Tendonitis, Which Is It?


You often see the spelling “tendonitis” and “tendinitis” in regards to injury. What is the difference between tendinitis vs tendonitis? There is none! Both refer to inflation of tendons in the body, with “itis” meaning inflammation. A tendon is tissue that appends muscle deep within the human body. It is flexible, extreme and stringy and it can withstand pressure. A tendon stretches out from issue that remains to be worked out at a joint, while a tendon reaches out from muscle to bone. Both spellings, tendonitis and tendinitis, are used interchangeably.

Tendons as well as muscles cooperate and apply a pulling power. And when the sheath around the tendons ends up inflamed, the condition is called tenosynovitis. Tenosynovitis as well as tendinitis (tendonitis) can happen together.

tendonitis vs tendinitis


Symptoms happen where the tendon connects to a bone.

They normally include:

  • Pain which gets worse when you move.
  • Swelling, warmth, and redness
  • A protuberance may create along the tendon.

In the event that there is a rupture, a hole might be felt in the line of the tendon, and movement will be troublesome.

Symptoms may last from a couple of days to a little while or months.


Basic causes include:

  • sudden damage
  • reiteration of a movement after some time

Tendinitis (tendonitis) frequently is developed in individuals whose employments or pastimes include repetitive developments, as this irritates the tendons.



Treatment is aimed to reduce inflammation and pain over time. Generally, the below mentioned will be sufficient:

  • resting the joint
  • hot and cold treatments
  • over-the-counter (OTC) pain killers

tendonitis vs tendinitis

Tendinitis vs Tendonitis Conclusion

The debate on tendinitis vs tendonitis is a relatively easy one, and whether you see “tendonitis” or “tendinitis”, you now know that the injury is the same. In common medicine, you will see tendinitis more often. However, in general writing it is not uncommon to see either spelling.