A mother-of-five has a rare skin condition which means she
can draw on her own skin and watch it disappear - like an Etch a Sketch.
Sarah Beal, 43, from Arley, Warwickshire, has such sensitive
skin that the slightest scratch can cause it to swell.
But she has also realised that the condition - known as
dermatographia - allows her to create patterns and pictures on her skin which
disappear within an hour.
Dermographism or 'skin writing' is a type of urticaria, or
hives - where a raised, itchy rash appears on the skin.
Ms Beal said: 'My skin is so sensitive that sometimes even
clothes can feel uncomfortable.
“When I lie in bed, the quilt can feel like needles pressing
into me.
'I can scratch my arm or my back and long lines will come up
on my arms where I’ve scratched.
She added: 'The etch a sketch comparison is pretty accurate -
although I wish a good shake was enough to get rid of the itching.'
Dermatographia is thought to be caused when the cells under
the surface of the skin release histamines under the slightest pressure.
Histamines are chemicals released in the body as part of an
allergic reaction, causing the skin to swell.
'I grabbed a spoon from my kitchen draw and with the handle I
drew a heart on my arm.
'When I saw the heart appear on my skin I loved it.
'It becomes quite itchy and sore afterwards, but I thought it
was so interesting to see it stay on my skin like that.
'I quickly took a picture of it and uploaded it to Facebook
before it disappeared. I have tattoos so I quite like the idea that you can
draw on your skin.
'My friends and family think it’s really fun too.'
Ms Beal who runs a
cake and confectionery company, takes no regular medication to control her
sensitive skin.
She said: 'At the moment it’s quite bad, but I just grin and
bear it.
'When it really flares up, clothes and bedding can be the
most painful - it feels like my skin is filled with needles or tiny bits of
glass.
'Some jewellery can be very painful to wear too, especially
around my neck.
'I’ve also got two little dogs, and just the tiniest scratch
from them can be agony.
'But I do like the fact that I can draw on my skin - it’s a
little bit quirky and different, a great conversation starter.'
Matthew Gass, from the British Association of Dermatologists,
said: 'Dermographism or “skin writing” is a type of urticaria.
'Swelling is caused by the release of histamine from cells in
the skin called mast cells.
'In this type of urticaria, itchy weals occur after friction
such as rubbing or stroking the skin. This itching may be aggravated by heat.
'Weals and red marks also often appear as lines at the sites
of scratching, and generally last for less than one hour.'
He added: 'Antihistamines block the effect of histamine, and
reduce itching and the rash in most people, but may not relieve urticaria
completely.
'If urticaria occurs frequently, it is best to take
antihistamines regularly every day.
'There are many different types, including non-sedating and
sedating antihistamines, in addition to short acting and long acting types.
'The antihistamine tablets can to be taken for as long as the
urticaria persists.'
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