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" Question I suffer from bruising all over my body, but especially my legs and arms.  It seems to get worse if I go for a bike ride or when I&amp;#039;ve been at work (filling shelves in a supermarket).  The bruises are usually quite small and a yellow/brown colour. I have been careful in the last couple of weeks to make sure I don&amp;#039;t knock myself, but the bruises keep appearing.  Do you have any advice for me or is it a hereditary problem? My mum also suffers from this, but not as badly.   Answer The explanation for what you describe is probably a condition called purpura simplex.  This condition of unknown cause usually affects women and bruises develop sometimes even without a remembered injury, mainly on the thighs, buttocks and arms.  There is often a family history as in your case and all blood tests are normal.  There is no treatment and none is needed because apart from the bruises, the general health of the individual is not affected.  Nevertheless, I think it is advisable for you to go and tell your GP about this, and he or she will be able to do arrange some simple screening tests on the clotting of your blood to make sure there is no abnormality.  But I expect it will all be ok, and you will have no need to be worried. Yours sincerely The NetDoctor Medical Team   Other Qs &amp;amp; As Unexpained bruising and bleeding Unexplained bruising   Last updated 30.03.2014 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/ask-the-expert/skin-and-hair/a3425/i-suffer-from-bruising/>