Diabetic Foot Care Advice

The aim of this blog is to help members of the public to understand their feet better. However the information on this blog should never be regarded as medical advice. Readers with foot problems are strongly encouraged to visit their GP if not the podiatrist for further medical assessment and treatment.

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Tuesday, April 8, 2008


Blisters are pockets of fluid in the upper layers of the skin. Blisters on the feet are commonly caused by friction with footwear. People who do a lot of walking, hiking, or participate in sports should take care to choose shoes that do not rub against the skin. Shoes with rigid backs like high heels can cause blisters on the back of the foot.

Most blisters can be successfully treated without medical care. The blister should be left intact and not opened. A blister should be left uncovered unless it will rub against a shoe. In those cases, it can be protected from further damage by applying a loose bandage. Do not apply tape directly to the blister. The shoes that caused the injury should be avoided. Minimize activity that could cause irritation to the blister.

Most blisters will drain and heal on their own. You may choose to drain large blisters that are over an inch wide. This should be done with care as blisters can become easily infected. Wash hands thoroughly with soap and water before handling the blister. Sterilize a needle with rubbing alcohol. Prick the side of the blister with the needle. Gently press the liquid in the blister towards the hole. After drained, wash the blister with soap and water and pat dry.

The flap of skin should be left to protect the blistered area. The skin covering the blister should not be removed unless dirt or pus becomes trapped in it. If you drain the blister or the skin tears, apply an antibiotic ointment to the blister and apply a loose bandage. The bandage should be changed daily.

Seek medical attention if the blister becomes infected. Symptoms of infection include redness, increased pain, warmth at area of the blister, pus, fever, or swollen lymph nodes.


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