I ask this because, about a month ago, we received letters that the manufacturer was doing a RECALL on our DIGOXIN because there were either too high or too low dosages of Digoxin in the pills. We were advised to return all our Digoxin and it was replaced with another prescription. I do not have a good feel for this, but it strikes me as unlikely it was the Metformin. I have often heard of cases of bad batches of drugs, but closer investigation almost always reveals something else going on. That is not to say it is impossible, but the generic drug makers are heavily regulated, and the liability for mistakes is so great, they tend to be mighty careful. I was DX'd in Feb of this year and have been working on getting my numbers in an optimal range. After about 3 weeks I did ok for a week or two then my numbers were higher (130-190 range for the most part). Last week I got a new bottle of metformin and my numbers have been in a much better range (109-121) pretty much immediately.
Pick up the phone on Monday AM and ask the pharmacist if they switched suppliers on you. By law, the active ingredient in metformin or metformin XR has to be the same as in the original Glucophage or Glucophage XR. But the various generic metformin manufacturers are allowed to play around with the so-called inert or inactive ingredients, which can definitely affect absorption rate, etc. This is one of the drawbacks of using the cheaper generic brands-- the pharmacists can fill your prescription with whatever generic brand they want, and switch you up at any time. If you like this one they gave you and want to continue it, just ask the pharmacist to always supply you with that particular generic-- AFAIK, any generic brand can be special ordered for anyone at the pharmacy's request, as long as it's still being manufactured. If there's been no change in supplier, maybe your old supply had been contaminated or changed somehow (heat, moisture, etc) or was simply past its expiration date.
Monday, 29 June 2009
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