The body contains in the bones some bags filled with liquid called serous bags , these are located between the bones and the tendons, their function is to act as a mattress so that they do not collide.

What is knee bursitis

The knee bursitis refers to inflammation of the bursae which are found on the knees, this inflammation is due to over production of synovial fluid (the fluid that is within bursae) in some cases this has some vessels Blood vessels rupture and blood accumulates within the serous bag, when this happens it is called hemorrhagic knee bursitis .

The knee is not the only joint that suffers from bursitis, so do the shoulder, elbow and hip.

Types of knee bursitis:

  • Septic
  • Knee prepatellar.
  • Knee stocking.
  • Aseptic

What are the symptoms?

  • Pain in the knee.
  • Tenderness in the knee.
  • Reduction of movement in the knee.
  • Inflammation in the knee.
  • Warm skin on the knee.
  • Red skin on the knee.
  • Will catch,
  • Fever (only in the case of septic bursitis)
  • Hematoma on the knee (in the case of hemorrhagic bursitis)

What are the causes of knee bursitis?

  • Injuries (such as falls)
  • Constant pressure
  • Overuse of the knees.
  • Some chemicals
  • Due to a Characterial Infection.
  • The rheumatoid arthritis .
  • Gout disease

How is it diagnosed?

To diagnose knee bursitis , the doctor will ask a series of questions to find out the cause of the disease. Next, several tests will be performed such as:

  • X-rays:

To rule out diseases such as arthritis, dislocations, or fractures.

  • Blood tests:

Blood tests are done to look for infections and identify if the cause is rheumatoid arthritis.

  • Liquid culture:

A sample of the synovial fluid is removed to identify if there is any infection in the fluid, also this would help alleviate some of the symptoms.

  • Magnetic resonance imaging (MRI):

This test will help identify if there is tissue damage or arthritis in the joint. There is a possibility that you will be tinted to better show the lesions. Some of the care that you should take with this test is to notify the doctor if you have metal anywhere on the body, since this could cause serious injuries, you should also notify if you are allergic to the dye.

What are the consequences of this condition?

Knee bursitis can evolve and spread in the joints that are closest to you, and you could develop long-term bursitis which could cause a lot of pain and severe immobilization.


There are varieties of knee bursitis treatments, each for specific types of knee bursitis. In addition, each medical treatment is adapted to the needs of the patient since all organisms are different.

Some of the prescription drugs are:


Ideal for fighting fever, inflammation and pain. Although these medications do not require a prescription, it is important to follow your doctor’s instructions. Since you could compromise your health if you don’t.


This specifically is called bursectomy, it involves removing the serous bag but is only used as a last resort, when no other treatment worked.


It consists of ice therapies, just 15 minutes three times a day to treat inflammation.

Arnica montana crema:

This cream will help to eliminate bruises and inflammation. It is also good for completely eliminating infections.

Green clay:

Moistened and applied to the knee for 30 minutes, it is ideal for mild knee bursitis.

Physical therapies with shock therapy and laser therapy are also recommended to aid speedy recovery.

By Dr. Eric Jackson

Dr. Eric Jackson provides primary Internal Medicine care for men and women and treats patients with bone and mineral diseases, diabetes, heart conditions, and other chronic illnesses.He is a Washington University Bone Health Program physician and is a certified Bone Densitometrist. Dr. Avery is consistently recognized in "The Best Doctors in America" list.

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