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Blister on the foot: tips, help, prevention

by Josephine Andrews
Published: Last Updated on 187 views

A blister on the foot is a well-known problem, especially among hikers and athletes. But even in everyday life, a warm, humid climate in unsuitable shoes can easily lead to painful blisters on the feet. Read here what you can do about blisters and how they can be prevented.

quick overview

  • What to do with a blister on your foot Leave small blisters intact and cover them with plasters, pierce large superficial ones and (during the day) stick a plaster over them
  • How to prevent a blister on your foot: among other things, only wear well-fitting shoes, make new shoes supple by greasing them or wear two pairs of socks on top of each other
  • How does a blister form on the foot? Through heat and friction, mostly between the shoe and the stocking

Blister on foot: you can do it yourself

Blisters on feet are fluid-filled cavities under one of the layers of skin. The liquid presses on the underlying nerve endings – and that hurts. The deeper a blister is in the skin layer, the more painful it is and the slower it heals. You don’t have to watch it idly and hope that the blister on your foot will disappear soon. You can treat your blisters yourself with the following tips:

  • Smaller blisters : Do not open – the intact skin over the blister (blister roof) offers the best protection against infection. To reduce friction, put a plaster or piece of tape over the blister – or a special blister plaster with something called hydrocolloid technology. it can absorb and bind wound exudate should the blister burst.
  • Larger blisters under tension : Prick only superficial blisters. To do this, disinfect a clean needle with diluted alcohol, carefully prick the blister, drain off the liquid and let the skin dry a little. Then stick plaster over it (if necessary, disinfect the bladder beforehand).

In order to speed up the healing process, you can also remove a patch that has been stuck on at night so that air can get in.

Never cut off the skin over a blister, otherwise it can become inflamed and more sensitive to pain.

Blisters on your feet: how to prevent them

Treating an existing blister on your foot is one thing. It is even better if such a bubble is not created in the first place. The following tips will help you prevent a blister on your foot:

  • Make sure you wear well-fitting, padded shoes – regardless of whether they are street shoes or sports shoes.
  • Make sure that socks do not wrinkle in the shoe , because pressure and friction can quickly cause a blister on the foot. Socks without exposed seams are best suited (e.g. special sports socks).
  • New shoes can quickly leave a blister on your foot. To prevent this, you can treat them with a deer tallow stick before you wear them for the first time – this reduces friction. It is also helpful to rub soap or petroleum jelly on the inside of the shoes.
  • Places where blisters form particularly easily (balls of the foot, back of the heel, etc.) can be covered with a piece of tape or a plaster as a precautionary measure.
  • Especially in hiking boots, you should wear two pairs of thin socks on top of each other instead of one pair of thick socks. Then the socks rub against each other and not one sock on the skin – there is no blister on the foot.

Blister on the foot: causes and possible diseases

A blister on the foot is mechanical damage to the skin: it forms as a result of heat and rubbing under pressure after prolonged exertion in unsuitable footwear, for example on long walks or during sports. Because of the friction, the upper layer of skin shifts against the deeper one, until the two detach from each other. The resulting cavity fills with tissue fluid.

Blisters on the hands also form as a result of mechanical stress, for example when you work in the garden with a shovel for a long time.

Blister on foot: when should you see a doctor?

A blister on the foot is usually not a case for the doctor. However, if the fluid coming out of a punctured blister is cloudy or smells bad, or if the surrounding skin is red and painful, you should seek medical advice. Serious inflammation may already have developed.

Particular caution is also required if you have diabetes (diabetes mellitus). This can cause nerve damage (diabetic polyneuropathy), which affects the sensitivity of the feet – you no longer feel a blister on your foot or other skin damage as easily. If left untreated, however, these can lead to complications – especially since wounds heal more poorly in diabetics at the same time .

Diabetics should regularly inspect their feet and see a doctor or a medically trained podiatrist if they have blisters on their feet or other skin changes.

Blister on foot: what does the doctor do?

In principle, the doctor will not do anything else with a blister on your foot than you can do yourself. In high-risk patients (diabetics), however, the care of a blister on the foot and other skin damage must be carried out with particular care, especially if this has already led to inflammation or infection.

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