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How To Prevent Blisters Between Toes, Including Pinch Blisters

by Rebecca Rushton 1 Comment

 Blisters between toes are common to both running and walking activities. They are really difficult to get relief from, so prevention is the key! 

interdigital blisters and pinch blisters

Pinch blisters between toes (Image credit)

 

There are two types of between toe blisters:

  • True interdigital blisters – Literally blisters between two toes. These aren't as common as the next type.

  • Pinch blisters – Blisters towards the bottom or end of the toe, common with adductovarus (curly) toes. The underside of the toe often takes on a triangular shape. These blisters are a result of how one toe curls under the next toe and basically gets 'trodden on' with a blister being the result.

 

Anatomy

Toes are bony little things. There are 3 phalanges (toe bones) in each toe (except the big toe which has 2, like your thumb). Phalanges aren't smooth straight bones, they're pretty lumpy. Look at the x-ray of the big toe and second toe. In this image you can see the soft tissue of each toe and even the nails if you look closely. And you can see the phalanges under the skin. Notice how they are wide at the ends and skinny in the middle.

Even at the best of times, you can see how the bony prominence of one toe can press on the bony prominence of the adjacent toe. This is even more-so when a toe is bent or curly - one gets "trodden on" and pinched. And the toes don't necessarily remain still in the shoe as you walk and run. They move relative to one another.

toe bones are called phalangesNotice how the phalanges are skinny in the middle and wide at the ends.

 

interdigital blister in a runner

An interdigital blister on the curly 4th toe in an athlete (image courtesy Christian Madsen)

 

How to stop getting blisters between your toes

1. Foam or gel wedges

Foam and gel (pictured) wedges keep the toes physically separated and cushion bony prominences. The gel material absorbs a lot (repeat, a lot) of shear via its very low shear modulus. Interdigital wedges are almost always comfortable because the material is soft. But they can dislodge and move around, because apart from the toes sitting close together, there's nothing actually holding them in place. In-shoe conditions (sweat/grit) cause them to degrade prematurely, especially foam wedges. These products are available at pharmacies and from some podiatrists. Please note, you probably won't be able to fit a wedge between all your toes - it will spread them too much and will feel tight in your shoe.

 

wedges can help stop blisters between toesGel toe wedges (right - yellow arrows) reduce interdigital pressure and absorb blister-causing forces

 

2. Gel toe protector caps & sleeves

These are like a little sock for an individual toe and come either open or closed at one end. The best ones have gel all around thereby providing 360 degree toe protection. Compared to the wedges (above), they are more likely to stay in place because they are elasticised. The gel material is the same so they still absorb a lot of blister-causing shear (in fact, gel absorbs too much shear for the main weightbearing parts of the foot, but for toes they are perfect). They can be helpful for pinch blisters as they encapsulate and hold the soft tissue component of the toe together so it’s not getting "trodden on" as much with each step. Some people find they make the skin too sweaty; and I have seen this happen (a runner whose skin became macerated after 6 hours of wear). But I have also seen an ultramarathoner wear one of these 24/7 for 6 days (6-day ultramarathon) without skin maceration. So the relative success will be very subject specific, but I highly recommend trying them. Here they are. Watch the video below to see the little-known technique for ensuring they don’t bunch up between your toe, or fall off.

gel toe caps
Gel Toe Caps

gel toe sleeves
Gel Toe Sleeves

 



3. Custom wedges or toeprops (made by your podiatrist)

Otoform K is a moldable putty material that sets and holds its shape. Podiatrists use it frequently to achieve an even pressure along the entire interdigital space, in spite of even the most significant toe deformities. The aim is either to get the toe to sit straighter; or if not, at least prevent high focal pressure by moulding the material to the interdigital space. You need to be standing while the material sets - because non-weightbearing toe alignment is different to weightbearing alignment. The good thing about Otoform K is it's long-lasting (months to years) and is easy to keep clean. However, they aren’t always tolerated because they can feel hard and foreign. The video below shows me making a prop (a bit more involved than a simple wedge) for my toes - just so you can get the idea.


4. Pre-taping

Tapes or dressings can be used to reposition a toe, to encapsulate the soft tissue of the toe or just to protect the skin from rubbing. To reposition a toe eg: a curly toe that tucks in & under the next toe, you can tape it up & out so that it sits a bit straighter. But tape stretches and/or comes loose over time so it requires reapplication each day or sometimes several times a day depending on your activity. Sweat is a constant threat to adhesion.

For toes that suffer pinch blisters, often the fleshy underside of the toe is misshapen to the point where it can be triangular! Anything that can hold this soft tissue in and less triangular, means there’s less toe that the next toe can tread on – and that means less blisters. Below is a video on my toe taping technique that I learned from Anna Beetham. There are all sorts of different tapes used in blister prevention. None of them are really made for blisters, they’re made for other purposes: Fixomull Stretch is the one I generally use - it’s the one in the video. We sell it from our online store if you can’t get it elsewhere.

Fixomull Stretch for taping toes

Fixomull Stretch Blister Tape 5cm x 10m

 

5. Lubricants

Lubricants reduce friction. However, research shows that after a while (around 90 mins), they actually increase friction above baseline measures. So to remain successful, ongoing reapplication is required by athletes. There are a few downsides to lubricants. My favourite lubricant isn’t a greasy one - it’s a powdered one called 2Toms Blistershield Powder. You can get that from us below.

BlisterShield powder2Toms BlisterShield powder (10 sachets)

 

6. Toesocks

Toe-socks add a little more bulk to the interdigital space so they work a bit like an interdigital wedge by cushioning. They also work like a double-sock system by forming an additional interface (sock-sock) at the interdigital space. But double-socks rely on different materials being used for friction-reducing properties and this is not the case with toesocks – it’s the same material on each side. But this small difference may be enough to stop blisters. A common brand of toe-socks is Injinji. While toesocks can reduce interdigital blisters, it's not difficult to understand how they can cause the shoe to get too tight in the toebox and cause additional pressure and more blisters to the outside of the big and little toe.

toesocks to cushion interdigital areas to prevent blistersToesocks cushion the interdigital space to help prevent blisters

 


7. Engo patches on toesocks

This would be an expensive but effective treatment for a blister between the toes. If an interdigital blister already formed, you’ll have a hard time getting much relief. I don’t like using gel toe protectors once a blister is already there. Maceration will compound the blister itself. The best relief I’ve managed to get was with a runner who was wearing toesocks (which didn’t prevent the blister) and we applied strips of an ENGO Patch (rectangle) to the toesocks, much like the picture below. Wrap it around the sock so that the ends meet on the top. Don't apply any compression around the toe, just in case your feet swell! Just lay it on and press to adhere. By applying one strip to the 2nd toe, I've got protection for both the 1/2 and 2/3 interdigital spaces here. If I'd put the other strip on the 4th toe, I'd have protection for all interdigital spaces with just two strips of ENGO! This is a great way to reduce friction levels if you’re in a pinch. The only problem is it won't last like ENGO usually does where you put it on the shoe or insole.

As a last resort, une an engo patch on toesocks to relieve a between toe blisterThe best relief I’ve managed to get was with a runner who was wearing toesocks (which didn’t prevent the blister) and we applied strips of an ENGO Rectangle patch to the toesocks, It was an expensive way around the problem, but we were both surprised with the relief it gave.

 

What causes soreness between my toes

Interdigital blisters are one cause of soreness between toes. But their are others. Tinea is a common cause of pain and itchiness, especially between the two smallest toes. Tinea is a fungal infection of the skin. Fungal infections thrive in a warm moist environment, which is exactly what exists between the toes - they sit cramped together all day and this makes it difficult for the sweat to evaporate to allow it to dry. An anti-fungal cream or spray is required.

Similarly, the inability of sweat to evaporate from the interdigital space can caus maceration. Maceration is a fancy way of saying soggy skin. Soggy skin is weakened and can easily split, causing pain between the toes.

You can also get soft corns between the toes. Soft corns are just like hard corns but again, the skin is soft an macerated, hence the name. Soft corns can become very sore between the toes and require treatment from a podiatrist.

 

Conclusion

Blisters between toes can be the most painful blisters of all - and they're common. It's no wonder when you consider the anatomy and function of toes and the micro-climate of the interdigital spaces. Prevention is easier than treatment! While one will you choose? Or will you choose a combination of strategies?





Rebecca Rushton
Rebecca Rushton

Author

Podiatrist, blister prone ex-hockey player, foot blister thought-leaderauthor and educator. Can’t cook. Loves test cricket.


1 Response

Jim MacLan
Jim MacLan

August 24, 2019

Thank you so much for taking the time to put this info online. The world is a better place because of you!

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