Causes of fever in the instep

There are many reasons for the intermittent heat on the instep. The most likely reason is that the patient has fasciitis, a common disease related to vascular inflammation. It may also be caused by the influence of wind and cold. If the symptoms are relatively mild, you can get enough rest and keep warm, which can generally get good improvement. However, if it is more serious, you should use some medication to treat it, and you can usually use cold compresses to relieve it.

The clinical manifestations are mostly pain in the affected area, mostly soreness and discomfort, muscle stiffness, or a feeling of pressure. Symptoms worsen in the morning, when the weather changes, or when exposed to cold. The pain is relieved after activity and often recurs. During an acute attack, local muscles become tense and spasmodic, and movement is limited.

Because the disease turns into a chronic disease due to lack of thorough treatment in the acute phase, or because the patient is repeatedly exposed to adverse stimuli such as strain, cold, etc., symptoms such as continuous or intermittent chronic muscle pain, soreness, and weakness may recur. During physical examination, fixed tender points can be felt in the affected area. The location is often fixed near the origin and insertion of the muscle or at the junction of two groups of muscles in different directions. Painful nodules or painful muscle cords can be felt deep in the tender points.

The cause of fasciitis is still unclear, but it may be related to cold, trauma, immune factors and vascular inflammation. When the body is stimulated by adverse external factors such as cold, fatigue, trauma or improper sleeping position, it can trigger an acute attack of fasciitis.

For some patients, symptoms can be relieved by resting. Hot compresses and massage can dissipate nodules and are also effective in blocking painful nodules. Nonsteroidal anti-inflammatory drugs are commonly used to treat fasciitis, such as ibuprofen and diclofenac, but they should not be used for a long time. You can take vitamin E orally for 3 to 4 months to help prevent recurrence. Muscle training may still be the most important, but the timing and method of exercise should be mastered. Avoid exercise when pain occurs acutely. Swimming is a better way to exercise. A small number of patients with stubborn symptoms that cannot be cured for a long time require surgical treatment. During surgery, cracks were found in the local fascia, with fat herniating from the cracks. These are the nodules palpable clinically. Adhesions of fat to surrounding tissues, including fascia and adjacent cutaneous nerve branches, may be the cause of pain. Surgery should remove the nodule, repair the fascia, separate adhesions and remove the cutaneous nerves, and the effect is usually good. Since multiple lesions are often present, surgery can only resolve the symptoms of one location, so the surgical indications should still be strictly followed.