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Erythromelalgia is a rare condition that causes burning pain, redness and hot skin, mainly in the feet. It can be constant or come and go, but treatment and avoiding triggers can help.
Erythromelalgia usually affects the feet, but can also happen in the hands, arms, legs, ears and face.
The main symptoms are:
Other symptoms include:
The pain can either be constant or come and go. When the pain comes, it might be called a flare-up. A flare-up can come on gradually or suddenly, and last anywhere from a few minutes to a few days.
Your skin may feel cold after a flare-up and look blue or grey.
If a GP thinks you may have erythromelalgia, they'll refer you to a specialist.
The specialist will examine you and ask about your symptoms.
They may do tests, including blood tests and tests to look for changes in your genes that may be causing your symptoms (genetic and genomic testing).
It's often not clear what causes erythromelalgia.
Sometimes it's caused by another condition or a faulty gene inherited from one of your parents.
A flare-up of your symptoms is triggered by an increase in your body temperature.
This can be caused by:
How erythromelalgia is treated depends on the cause.
If you have another condition that's causing your symptoms, treating that condition can help.
Most treatment aims to prevent flare-ups. It can include medicines, creams, gels, sprays, tablets and medicines given into a vein.
Rarely, you may need surgery.
Erythromelalgia can be difficult to treat. You may need to try different combinations of treatments to find the ones that work for you.
Living with pain can be difficult. If your symptoms are affecting your mental health, cognitive behavioural therapy and counselling can help.
There are things you can try to help control erythromelalgia symptoms and avoid flare-ups.
try to avoid things that trigger your symptoms
wear loose clothing and shoes
drink plenty of fluids
try to manage stress
cool down your hands or feet with a fan or cool (not cold) gel pack for a short period of time
raise your hands or feet on a chair or pillow when you can during a flare-up
do not cool down your hands or feet with cold water or use ice, as this can damage your skin
do not drink alcohol or eat spicy food
