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06/16/2021 Daniella Johnson
Knee Pain is a common complaint that affects people of all ages. This could instigate in any of the bony structures consisting of the knee joint (femur, tibia, and fibula), the kneecap (patella), or the ligaments, tendons, and cartilage (meniscus).
Knee pain can be caused by an injury like ruptured ligament or torn cartilage or any medical conditions like arthritis, gout and infections.
Knee pain could be aggravated due to physical activity, obesity, affected by neighboring muscles and their movements, and could be triggered by other problems like foot injury. Knee pain causes physical restrictions.
The treatment of knee pain would depend on the underlying cause and severity of the pain. Prognosis of knee pain is usually good and the recovery might require medical treatment, surgery or other interventions.
Pain in the knee would depend on the structure of the knee that is affected. In case of infection or an inflammatory process it could cause swelling and pain to the whole knee, whereas; a torn meniscus or fracture of a bone would have symptoms in a specific location or a baker cyst would cause pain in the back of the knee.
The severity of the knee pain could vary from minor ache to a severe and disabling pain. The symptoms along with pain could be:
Some of the common knee problems are sprained ligaments, meniscus tears, tendinitis, and runner's knee. Some of the causes of knee pain are:
Overweight as well as overuse due to repetitive motions create stress on the knee joint leading to knee pain. Due to change in the movement of the joint like leg-length difference, alteration in walking style because of back problems cause subtle changes leading to pain and injuries.
The doctor would begin the examination by bending the knee to check the full range of motion, check for stability of the muscles and ligaments, and evaluate to know any tenderness and swelling. Doctors would recommend blood tests, X-rays, CT scan or MRI, and other imaging tests to check for reasons for chronic pain.
The treatment for knee pain depends on the cause and extent of pain. The treatment regime would comprise of following:
Medications - Both over-the-counter (OTC) and prescription drugs are used to manage knee pain depending on the severity of the pain. OTC medicines provide relief in mild to moderate pain. For severe pain doctors would prescribe stronger painkillers. Ointment either cream or gel based containing diclofenac (1%, 1.5%, or 2%) would help in reducing pain. Pain patches like lidocaine act like a local anesthetic agent that helps relieve pain by blocking nerves from transmitting pain signals to the brain.
Injection – Doctor would recommend injecting chemicals like corticosteroids, hyaluronic acid or lidocaine help in reducing the inflammation and eases the pain within a few weeks to months. Hyaluronic acid is a gel based substance occurring naturally in synovial fluid that acts like a lubricant which allows bones to move smoothly within a joint as well as provides shock absorption that decreases pressure and friction within joints.
Botox or Botulinum toxin is helpful in treating knee osteoarthritis as they paralyze the nerves that send chronic pain signals to the brain. Platelet-rich plasma injections stimulate the healing process after injury as they are made up of your own blood plasma containing high concentration of platelets called thrombocytes.
Therapy – Exercise helps in strengthening the muscles around your knee which will make it more stable. Exercises also improve your flexibility and balance to provide relief in activities like walking, swimming, water aerobics, stationary cycling, and elliptical machines. Physiotherapy also involves arch support or braces help in providing support and protecting the knee joint. Tai chi would help ease stiffness and improve balance.
RICE therapy (Rest, ice, compression and elevation) – It is beneficial in pain caused by minor injury or arthritis flare. It provides rest to the knee; application of ice reduces swelling and ease off the pain.
Surgery – Surgery is required based on injury. It might also be required if the other treatments do not provide relief. The options of surgery are;
Acupuncture, glucosamine and chondroitin supplements have proven to provide mixed results in treating knee pain.
Chronic knee pain treatment involves accurate evaluation to avoid further damage to cartilage, bones, or ligaments. With the help of modern surgical techniques it is possible to relieve various types of knee pain syndromes and return to an active lifestyle.