Is red, swollen, and itchy heel frostbite?
Let's talk about chilblains first, which can occur on various parts of the body. The most common cause is cold stimulation, such as redness and itching on the back of the heel, which may be due to occupational or other factors. The heel is often exposed and susceptible to cold, potentially leading to chilblains. This condition can be particularly troublesome but sometimes heals on its own as the weather warms up, though it is prone to recurrence. Treatment may require the use of vasodilators or traditional Chinese medicines that improve microcirculation and invigorate the blood. Regular physical exercise to boost immunity, avoiding cold exposure, and ensuring adequate warmth and dryness are important. Tight shoes and socks should be avoided, and it is not advisable to soak in hot water immediately after getting cold; instead, gradually increase the water temperature. If there is an open wound, appropriate ointments can be applied to promote healing, ensuring the area stays dry to prevent further chilblains. For example, soaking in water daily can be beneficial if there is no open wound, starting with water at 10°C, then increasing gradually to 20°C, and finally 30°C to gradually warm the area and improve blood circulation, aiding in recovery. Additionally, using ointments like chilblain cream can help improve the condition, but the area is still prone to reoccurrence if it gets cold again. Mainly, keeping the area warm and moist is crucial. For open wounds, regular disinfection with povidone-iodine and applying erythromycin ointment to prevent infection may be beneficial. (Please use medications under the guidance of a doctor to avoid inappropriate self-medication.)
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