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Peroneal Tendonitis – Overview

February 2, 2021


Peroneal tendonitis is inflammation involving the tendon and the lateral or side aspect of the lower part of the leg. A tendon is a tough flexible structure made mostly out of collagen, which allows muscles to act on our bones and joints. In this case, the peroneal tendon is the structure that allows the lateral sided muscles of the calf to push the foot outward and downward. The perennial tendon is especially at risk with ankle sprains. Tendonitis is an overuse or strain condition, which causes inflammation within and around a tendon. Peroneal tendonitis symptoms typically include pain and swelling on the outside of the ankle or an ankle sprain that just won't get better. The pain usually is worse with activity or use. A snapping or popping sensation as the tendon moves over the bone known as subluxation is sometimes, but not always present. A doctor or a therapist can be consulted in any case of suspected peroneal tendonitis, and a treatment plan can be initiated. Other causes of ankle pain, such as fracture, osteochondritis and ligament instability can also be ruled out. In most cases, peroneal tendonitis is due to either acute or repetitive chronic injury age and recurrent ankle sprains are risk factors. Anti-inflammatory medications, such as Neproxin, ibuprofen, Meloxicam, or diclofenac known as NSAID medications may be used in treating peroneal tendonitis. These are often prescribed for a two to three week period to be taken every day so that they can over time work on gradually improving the inflammation. These medications can often be used for a few weeks to help combat the longstanding inflammation that is present. Though caution should be taken, especially in cases where the patient has a history of gastric ulcers or kidney disease, as NSAID medications can affect these systems. Patients who are on a blood thinner must also be careful with these medications. Anybody with any potential NSAID problems should ask their own doctor prior to taking them splints braces and physical therapy are also commonly used ice and rest can be helpful as well.

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