“Lateral” knee pain describes pain that’s experienced on the outside of your knee, specifically on the right and left sides of the knee cap, also known as the lateral side. The lateral capsule is a key part of the knee joint anatomy, providing support and containing important ligaments and nerve receptors. Similarly, other variations of knee pain can also be described this way; the front of the knee is the anterior, the back, posterior, and the inside, medial. Identifying what kind of knee pain you have can help you get a better idea of the cause of your pain, allowing you to treat it properly.

In terms of knee anatomy, the joint line is the area where the femur and tibia meet. The outer layer of the joint capsule is made up of fibrous tissue and connective tissue, which contribute to knee stability. The lateral side of the knee includes structures such as the IT band—a thick band of connective tissue running along the outer thigh and lateral side of the knee—and the biceps femoris and its tendon, which play a role in knee and hip movement.

Some of the most common causes of lateral knee pain include IT band syndrome, where the IT band becomes irritated from overuse or muscle weakness, and soft tissue injuries involving muscles, tendons, or ligaments. Injuries to the biceps femoris or biceps femoris tendon can cause posterolateral knee pain, especially after surgery or due to overuse, and may involve inflammation, scar tissue, or changes in knee mechanics.

Symptoms of lateral knee pain typically include sharp, stabbing pain or a dull ache that may worsen with activity, swelling, and a feeling of instability. Lateral knee pain can also be associated with swelling, tenderness, bruising, and warmth, particularly after injury. Pain from lateral knee issues may worsen during activities such as running, cycling, or descending stairs. Lateral knee pain can also stem from issues with the biceps femoris tendon, which can become irritated due to overuse or changes in knee mechanics after surgery.

That being said, let’s outline some of the most common causes of lateral knee pain in particular. Having the right knowledge under your belt can be the first step in your journey towards living a life with less knee pain.

Where is my knee pain coming from? Common Causes of Lateral Knee Pain

• Iliotibial band syndrome (ITBS, also called runner's knee): The iliotibial band is important in stabilizing the lateral part of the knee as it flexes and straightens. It’s made up of connective tissues that come from the outer hip, down to the shin bone (tibia). IT band syndrome is a common cause of lateral knee pain in active individuals, especially runners and cyclists, and is often linked to repetitive knee movements. Pain here can come from overuse and repeated motions, making athletic people more prone to developing ITBS.

• Lateral meniscus tear: Injury to the lateral part of the knee can result in a meniscus tear. Menisci are two pieces of cartilage that sit in between the thigh bone (femur) and shin bone (tibia). Injury typically occurs with sudden twisting motions, often performed by athletes, and can cause a tear. The deterioration of this cartilage can also happen with age, making it more difficult to straighten the knee over time.

• Lateral collateral ligament (LCL) injuries: The lateral collateral ligament stabilizes the lateral side of the knee. Injury typically occurs due to a traumatic event, such as a blow to the inside of the knee or a sudden twist, particularly in contact sports. LCL injuries can range from mild stretches to complete ligament tears requiring surgery.

• Popliteal tendinitis: This is inflammation of the popliteus tendon at the back and lateral side of the knee, often due to overuse. It can cause pain and swelling, especially with activities that involve knee bending or twisting.

• Arthritis (knee osteoarthritis and knee arthritis): Though there are many different types of arthritis that can affect the knee, the most common is known as knee osteoarthritis. Knee osteoarthritis is a degenerative joint disease where cartilage breaks down over time, causing the bones in the knee joint to rub together. It often causes stiffness in the morning that improves with movement and is more common in individuals over 50 years old. Knee arthritis can cause significant pain and swelling all over the knee, including in the lateral parts.

• Other injuries: Ligament sprains, ligament tears, fractures, contusions (bruises), and more can cause lateral knee pain. Those who are very physically active are more vulnerable to injuring the lateral part of the knee.

People of all ages can experience knee pain due to a variety of causes. Although everyone experiences it differently, it’s undeniable that knee pain can be intrusive in your daily life, goals, overall lifestyle and outlook — knee pain is more than just a physical ailment. And you’re not alone in your experience either — about 1 in 4 adults struggle with knee pain.

You don’t have to simply accept your knee pain as it is, especially when it affects your quality of life and overall well-being. While there may not be a “cure” out there, there are certainly ways that you can effectively manage your knee pain from home.

Medications and procedures can be beneficial for the treatment of pain, but they aren’t a one-size-fits-all solution. Alternative methods of finding pain relief can be just as meaningful in your pain management routine. Overall, there is light at the end of the tunnel for pain sufferers.

Three Pain Management Methods for Lateral Knee Pain

Keep reading to discover three natural, drug-free pain management methods that knee pain sufferers can include in their routines to help keep pain at bay. Managing knee pain often involves simple pain relief advice, such as using painkillers, applying ice, and seeking professional guidance. Treatment for most lateral knee pain can be managed with conservative, home-based care strategies.

1. Hot & Cold Therapies for Knee Pain

Both hot and cold therapies can be beneficial for pain in the knee, depending on the source of your discomfort. The RICE method (Rest, Ice, Compression, Elevation) is commonly recommended for managing lateral knee pain:

Cold therapy, or ice therapy, is especially beneficial for lateral knee pain. Applying an ice pack or even a bag of frozen peas wrapped in a damp cloth for up to 20 minutes can help numb the pain and reduce swelling. This helps relieve pain and reduce inflammation by decreasing blood flow and nerve activity in the area. Cold therapy is best for:

• Arthritis

• New injuries including meniscus tears, fractures or contusions

Heat therapy can improve local circulation, promote tissue healing and improve muscle flexibility. Apply something warm to the knee in the form of a cream or hot towel, or visit a sauna or hot tub for an experience that’s both relieving and relaxing. This form of therapy may be best for:

• Athletes

• Muscle recovery after strenuous activity

To ensure safety, never apply ice or burning temperatures directly on the skin. Once you are comfortable with the temperature, apply it to the pain-affected area for no more than 20 minutes at a time.

Painkillers like paracetamol can help relieve pain and ease lateral knee pain, but they need to be taken regularly to control the pain. Anti-inflammatories like ibuprofen can help reduce inflammation, swelling, and improve mobility, but should not be taken for 48 hours after an initial injury as they may slow down healing.

2. TENS Therapy for Lateral Knee Pain

TENS (Transcutaneous Electrical Nerve Stimulation) can offer knee pain sufferers a meaningful method of pain management that works to target pain directly through stimulation.

Here’s how it works: TENS is a versatile, natural pain therapy that is found in DR-HO’S devices like the Pain Therapy System 4-Pad. It works to deliver gentle electric currents through the nervous system via pads that can be placed anywhere on the body to temporarily stop pain signals from reaching the brain.

Traditional pain relief devices often rely on TENS (Transcutaneous Electrical Nerve Stimulation) and EMS (Electrical Muscle Stimulation) technologies. TENS works by targeting nerves to help block pain signals, while EMS stimulates muscles through gentle contractions and releases, helping to reduce soreness, improve circulation, and ease stiffness.

TENS & EMS can offer lateral knee pain sufferers a meaningful addition to their pain management routine with effective, temporary pain relief that they can count on every time. While these technologies are effective, more advanced solutions go a step further by incorporating additional innovations designed to enhance results.

DR-HO'S Pain Therapy System 4-Pad is designed with this integrated approach in mind. In addition to TENS and EMS, it incorporates NMES (Neuromuscular Electrical Stimulation), which reaches deeper muscle layers to encourage stronger, more targeted muscle engagement. This can help better support the treated area while promoting improved circulation.

It also features AMP (Auto Modulating Pulse) technology, which continuously varies the electrical impulses during use. By preventing the body from adapting to a single stimulation pattern, this helps maintain consistent effectiveness over time and reduces the diminishing returns often experienced with more basic devices.

Interested in TENS Therapy for knee pain? Learn more here:

• Discover the Pain Therapy System 4-Pad that offers TENS Therapy for knee pain.

• Find out how to place your body pads to target knee pain.

If conservative treatments like medication and ice do not relieve pain, physical therapy may be recommended to help manage knee pain.

3. Stretches for Lateral Knee Pain

When you're dealing with new-onset pain or a flare-up, you may be off your feet for a while. When you're ready to get back up and at it, it's important to ease yourself into being active again. Plus, overuse or sudden movements could have been the cause of your lateral knee pain in the first place.

To safely get back on your feet and prevent further pain, learn how to stretch properly before movement with these 3 stretches that target the knees, hips and hamstrings:

I. Heel Slide

Step 1: Lie on your back with your knees bent.

Step 2: Slide your heel back by bending your pain-affected knee as far as you can.

Step 3: Hook your other foot around your ankle to help pull your heel even further back.

Step 4: Hold for about 6 seconds, then rest for up to 10 seconds. Repeat this exercise around 10 times.

II. Standing Hamstring Stretch

Step 1: Stand on one foot with your other foot straightened, heel down and toes up.

Step 2: Hinge forward at the hips and bend the knee you're standing on slightly.

Step 3: Feel the stretch in the hamstring of the straightened leg. Hold this pose for 30-60 seconds and repeat on the other side.

Understanding your knee pain can help you on your journey towards relief!

We hope that this guide to lateral knee pain helps you understand your pain better, and start feeling more like yourself sooner. Use our practical tips in your daily routine to keep pain at bay so you can get moving and do the things you love again!

Disclaimer: DR-HO'S content is intended for informational purposes only and should not be taken as medical advice. Please consult a certified medical professional for diagnosis and treatment recommendations.