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Message: <blockquote data-quote="LittleGreyCat" data-source="post: 512679" data-attributes="member: 6467">I have in the last few months developed a ridge across my finger nails which is now 'growing out' and moving from the nail bed to the nail tip.The ridge is most pronounced on my right thumb, but is also visible to a greater or lesser extent on all my nails.Now I had no real idea what it was about, but a friend told me that it could be linked to poor diabetic control.Google easily confirms the diagnosis of Beau's Lines with matching pictures, but is less forthcoming (and somewhat confusing) on the link to Diabetes.The usually (un)reliable Wikipedia <a href="http://en.wikipedia.org/wiki/Beau's_lines" target="_blank">http://en.wikipedia.org/wiki/Beau's_lines</a>links it with Hypoglaecemia which doesn't seem likely for a T2 backsliding on diet.<a href="http://www.rightdiagnosis.com/sym/beau_s_lines_on_fingernails.htm" target="_blank">http://www.rightdiagnosis.com/sym/beau_s_lines_on_fingernails.htm</a>links with Diabetes Melitus and again with Hypoglycaemia.Alternatives are various systemic shocks, chemotherapy, or physical damage such as extreme cold or being hit on the fingers (or possibly both).[Note that if you Google from ridged nails to Beau's Lines you see very little mention of Diabetes - you have to specifically include Diabetes as a search term before you start to get significant hits]<a href="http://www.ijdvl.com/article.asp?issn=0378-6323;year=2011;volume=77;issue=6;spage=646;epage=651;aulast=Singh" target="_blank">http://www.ijdvl.com/article.asp?issn=0378-6323;year=2011;volume=77;issue=6;spage=646;epage=651;aulast=Singh</a>Now if it takes a nail 6-9 months to grow out, and the ridge is just over half way up my thumb nail, then the 'incident' must have been around 3-4 months ago, or sometime during December 2013, possibly near the beginning depending on my rate of nail growth.So I am quite puzzled - the only extreme action for me recently was in early to mid January when I went white water rafting and took a bit of a beating on some parts of the ride but this seems too recent.I did go on holiday to NZ over December and January, and also started taking Healthspan Plant Sterols at the end of October as an alternative to statins.My diet control weakened significantly over the holiday, such that I scared myself when I started testing again after returning home and am now back on the straight and very narrow.So I seem to have several candidates, including a spike in BG over the holiday, but I don't recall seeing this particular reaction before even when I was first diagnosed.So all in all a bit of a puzzler.Has anyone else had these Beau's Lines?If so, have you tracked down the likely cause?CheersLGCP.S. it isn't something well dressed people get - just named for Joseph Honoré Simon Beau who first studied it.P.P.S. I am told that Kawasaki's disease does not involve enormous straight line speed but an inability to go round corners (bikers from the early '70s will understand).<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool    :cool:" loading="lazy" data-shortname=":cool:" /></blockquote>

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