Comments on: How Long does Methocarbamol (Robaxin) stay in your urine? http://alternativegenericdrugs.com/how-long-does-methocarbamol-robaxin-stay-in-your-urine/ Find all information on generic alternatives of prescription medicines. Sun, 16 Oct 2011 00:01:28 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Kate from Drugs.com http://alternativegenericdrugs.com/how-long-does-methocarbamol-robaxin-stay-in-your-urine/comment-page-1/#comment-7219 Kate from Drugs.com Tue, 17 Nov 2009 00:00:15 +0000 http://alternativegenericdrugs.com/how-long-does-methocarbamol-robaxin-stay-in-your-urine/#comment-7219 The elimination half-life of methacarbamol is 1 to 2 hours. It takes five and a half (5.5) half-lives for the drug to be out of your system. Therefore the drug will be in your system for about 11 hours (5.5 x 2 hours). The elimination half-life of methacarbamol is 1 to 2 hours. It takes five and a half (5.5) half-lives for the drug to be out of your system.

Therefore the drug will be in your system for about 11 hours (5.5 x 2 hours).

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