Medial Knee Pain

Medial knee pain is pain that occurs on the inner side of the knee and can be due to a number of problems.

It may come on gradually over time or may develop suddenly after a knee injury. There may be a general inner knee pain, movement may be restricted or there may be a sharp pain.

It is very common to get pain on the medial side of the knee, because muscle weakness and/or tightness (which is very common) can subtly change the way the knee moves. This causes more force to go through the inner side of the joint, rather than distributing weight evenly through the whole joint, which results in damage to the inner side of the knee and therefore medial knee pain.

Here you will find a summary of the three most common causes of medial knee pain. Use the links to find out more about each condition including symptoms and treatment options for each. If you want more help working out what is wrong with your knee, visit the knee pain diagnosis section.

Causes of Medial Knee Pain

1) MCL Tear

Medial knee pain is pain that is on the inner side of the knee

What is it: Damage to some or all of the fibres of the medial collateral ligament on the inner side of the knee

Onset: Sudden onset due to a force through the outside of the leg e.g. tackle, or sudden twisting of the knee e.g. skiing

Symptoms: Inner knee pain, swelling, bruising, instability, stiffness

Aggravating Activities: Bending the leg, walking, stairs, sports

Features: There are three grades of MCL tear, depending on how severely you have damaged the ligament

Treatment Options: PRICE, knee brace, exercises

Find out more about MCL Tears

2) Medial Cartilage/Meniscus Tear

A cartilage tear is a common cause of medial knee pain.

What is it: A tear in the cartilage lining on the inner side of the knee joint, known as the meniscus

Onset: Can occur suddenly with a force through the knee, sudden twisting of the knee or gradually through wear and tear

Symptoms: Medial knee pain, swelling, locking, instability, difficulty straightening the leg

Aggravating Activities: Walking, running, squatting, stairs especially going up

Features: There are four types of meniscus tear depending on how the cartilage has torn

Treatment: PRICE, exercises, surgery

Find out more about Meniscus Tears

3) Arthritis

Osteoarthritis most commonly affects the medial side of the knee joint causing pain.

What is it: Wear and tear most commonly to the cartilage lining the medial side of the joint

Onset: Symptoms gradually come on over time. Most common over the age of 50.

Symptoms: Morning stiffness, inside knee pain, swelling, clicking/grinding, reduced leg movements

Aggravating Activities: Worse after prolonged rest or activity, cold weather

Features: There are three classification stages of osteoarthritis, mild, moderate and severe based on how badly the joint is affected.

Treatment: Depends on the severity but arthritis treatments include exercises, medication, heat/ice, acupuncture, injections and knee braces

Find out more about Arthritis

Want to Know More?

To find out more about these common causes of medial knee pain, choose from the links above.

However, be aware that just because there is inner knee pain, doesn’t necessarily mean the problem is on the inner side of the joint. Pain can refer to different places so for example a problem above the joint can produce a feeling of inside knee pain.

If your pain doesn’t sound quite like any of these problems, visit the Common Causes of Knee Pain section to find out about the most common knee problems.

Alternatively, if would like some guidance with working out what is causing your problem, visit the knee pain diagnosis section for help.

Remember, you should always see a doctor with any new onset of pain.

Go to Diagnosis Section or Homepage

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See Also

Other common causes of pain

Knee Braces: Would they help?

How can I strengthen my leg?

Test your flexibility - would stretching help you?

Top tips on exercising

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