When people think about hypermobility spectrum disorder (HSD) or hypermobile Ehlers-Danlos syndrome (hEDS), they usually think about joints. But the effects often extend well beyond that.
Skin, nails and circulation can all be affected, and these changes can influence how your feet tolerate load, heal and respond to everyday stress. These differences are common, and in most cases manageable, but they’re often overlooked.
Why skin and nails behave differently
In HSD and hEDS, connective tissue is more elastic and less structurally robust. This can affect:
- Skin strength and resilience
- Healing capacity
- Blood vessel integrity
- Tissue response to pressure and friction
So even normal daily activities can place relatively higher stress on the soft tissues of the feet.
Skin changes you might notice
More fragile or sensitive skin
- Skin may tear or blister more easily.
- Friction from footwear can cause irritation sooner.
Delayed healing
- Cuts, blisters or cracks may take longer to resolve.
- Skin may reopen if load returns too quickly.
Easy bruising
- Minor knocks can lead to visible bruising.
- This is often related to increased capillary fragility.
Quicker build-up of callus
- Callus is often a sign of how load is being distributed.
- Foot mechanics may be less efficient.
- Certain areas take more pressure repeatedly, creating “hot spots”.
- Callus can build up in response.
Common patterns
- Under the forefoot (metatarsal heads)
- Along the medial arch or big toe
- Around areas of increased friction (e.g. the back of the heel or Achilles)
These aren’t just cosmetic differences. They affect how the foot tolerates pressure and recovers after irritation.
Nail changes you might notice
Nails can also reflect underlying tissue differences. You might notice:
- Nails that are brittle or prone to splitting
- Difficulty cutting thicker nails cleanly
- Nails that deform or break more easily
- More ingrown toenails or swelling around the big toe
Repeated micro-trauma (from footwear or altered loading) can make this worse.
Circulation and temperature regulation
Some people with HSD/hEDS also experience circulatory or autonomic differences. This can show up as:
- Cold feet or colour changes
- Swelling after prolonged standing
- Slower return to baseline after activity
In some cases (e.g. POTS-related symptoms):
- Blood flow regulation may be less efficient.
- Standing for long periods may feel more fatiguing.
This doesn’t always cause pain directly, but it can affect tissue recovery, healing and overall tolerance to load.
Why this matters for foot health
When you combine fragile skin, altered loading patterns and variable circulation, you get a system that:
- Is more sensitive to pressure and friction
- Takes longer to recover
- Benefits from earlier intervention
That’s why small issues can escalate more quickly if ignored.
What you can do day-to-day
Foot care in HSD/hEDS often needs a slightly different approach. Consider the following.
Moisturise regularly
- Helps maintain skin integrity
- Reduces the risk of cracking
Choose footwear carefully
- Adequate length, width and depth
- Minimal friction points
- A stable, supportive base
Rotate your shoes
- Reduces repetitive pressure in the same areas
- Replace shoes with excessive wear or torn lining materials
Monitor your skin
- Look for early signs of irritation or pressure.
- Address issues before they become painful.
- If blisters or tears do develop, keep the area clean and covered with a bandaid.
Be cautious with self-care
- Avoid aggressive filing or cutting.
- Use appropriate tools for nail care.
When to seek help
It’s worth getting things checked if you notice:
- Persistent or painful callus
- Corns that keep recurring
- Nails that are breaking, thickening or difficult to manage
- Skin breakdown, cracks or slow-healing wounds
- Any signs of infection (redness, swelling, discharge)
Early management is usually simpler and more effective.
Where podiatry fits in
Podiatry can help manage both the symptoms and the underlying causes. This may include:
- Safe callus and nail care
- Identifying pressure and load patterns
- Footwear advice
- Offloading strategies
- Monitoring skin health over time
The goal isn’t just to treat what you can see, but to reduce the stress causing it.
The takeaway
Skin, nail and circulation changes in HSD/hEDS are common and often interconnected. If you support your skin, manage pressure and load, choose appropriate footwear and act early when issues arise, you can reduce complications and keep things manageable.
The focus isn’t just on removing problems. It’s on creating a system where they’re less likely to keep coming back.
References
- Castori, M. (2012). Ehlers-Danlos syndrome: clinical manifestations and management.
- Celletti, C. et al. (2017). Autonomic and vascular involvement in EDS.
- Malfait, F. et al. (2017). The Ehlers-Danlos syndromes classification.
- Scheper, M. et al. (2017). Exercise and tissue considerations in hypermobility.
- Bowen, J. M. et al. (2017). Skin features in Ehlers-Danlos syndromes.
Written by Annisia Warhurst
