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	<title>Comments on: I have Mitral Valve Prolapse  and also have ADD.   I have just been prescribed Vyvanse.  In the afternoon I have experienced difficulty getting a deep breath and also tiredness in my left arm.  I have also had pain in my lower abdomen.  I take Toprol for the MVP.  I have been taking Vyvanse for 2 weeks.  Could the Vyvanse be causing these side-effects?</title>
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	<link>http://www.askdrjones.com/adhd/i-have-mitral-valve-prolapse-and-also-have-add-i-have-just-been-prescribed-vyvanse-in-the-afternoon-i-have-experienced-difficulty-getting-a-deep-breath-and-also-tiredness-in-my-left-arm-i-have/</link>
	<description>Ask Dr. Jones</description>
	<pubDate>Tue, 06 Jan 2009 13:43:40 +0000</pubDate>
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