Metformin Recall Urged Due To Presence of Cancer-Causing NDMA

An independent online pharmacy is calling for federal regulators to issue a metformin recall, indicating that the generic diabetes drug contains the same cancer-causing agent that has led to massive recalls for Zantac, valsartan and other medications in recent months.

In a citizen’s petition (PDF) filed with the FDA on March 2, Valisure reports that it has detected high levels of N-Nitrosodimethylamine (NDMA) in specific batches of metformin tested by the online pharmacy.

Given the cancer risk linked to NDMA, the petition calls for a recall to be issued for those batches of metformin, and for a widespread investigation of other versions of the widely used front-line treatment for type 2 diabetes.

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The petition comes less than a month after the FDA declared that it had not found unacceptable levels of NDMA in metformin after conducting its own investigation.

NDMA is a chemical byproduct, which is considered a carcinogen. It used to result from making rocket fuel in the early 1900s, but today is only used in laboratory experiments to induce cancer in animal test subjects.

In recent months, detection of the chemical in other drugs has resulted in wide scale Zantac recalls and valsartan recalls, after it was confirmed that dangerously high levels of NDMA were present in the popular heartburn and blood pressure medications.

Late last year, reports indicated that NDMA was also discovered in some metformin samples sold outside the United States, raising concerns that metformin recalls may be necessary.

Metformin is sold under several brand names, including Glucophage, Carbophage, Fortamet, Diabex and Riomet. It is also often used in combination with other diabetes drugs, and is widely used worldwide.

Valisure indicates that it closely followed the FDA’s recommended testing procedures at a lab specifically accredited for analyzing levels of NDMA.

“Valisure’s analysis of 22 companies selling metformin and a total of 38 batches revealed 16 batches from 11 companies where NDMA levels were detected above the 96 ng daily acceptable intake limit, which was factored using a common number of tablets taken per day,” the petition states. “Several batches contained over 10 times the daily acceptable intake limit and there was significant variability from batch to batch, even within a single company; underscoring the importance of batch-level chemical analysis and the necessity of overall increased quality surveillance of medications.”

The company noted that the FDA’s own analysis did not find these levels of NDMA and suggested the agency needs to take a broader approach to its testing.

NDMA In Zantac and Valsartan

Valisure is the same pharmacy which first raised alarms about the link between Zantac and cancer in September 2019, after finding that some pills contained 3,000,000 ng of NDMA. This led to further FDA testing, which confirmed the high levels were present in virtually all Zantac products and their generic equivalents, resulting in a widespread, and still ongoing, Zantac recall.

Concerns over NDMA drug contamination began to emerge in 2018, with an investigation into a number of generic blood pressure drugs that were found to contain high levels of the chemical. This led to several rounds of recalls for valsartan, losartan and irbesartan, and investigations suggested that NDMC may have contaminated the drugs as a by-product of changes in the generic drug manufacturing process.

In response to concerns about the cancer risk with valsartan and other similar drugs, and the possibility of shortages for the hypertension drugs, the FDA established a permissible daily limit for NDMA at 96 nanograms, requiring pills that may expose users to more of the carcinogen to be recalled.

Unlike valsartan, where NDMA contaminated the pill due to the manufacturing process, it appears that NDMA in Zantac was caused by the instability of the active pharmaceutical ingredient, which may produce NDMA when exposed to high temperatures, such as during transit or inside the human body. However it is not yet clear what processes are causing the levels of NDMA detected in metformin.

While drug makers and federal regulators indicate they are continuing to investigate the underlying cause of both the NDMA contamination, many consumers diagnosed with cancer in recent years are now pursuing valsartan lawsuits and Zantac lawsuits, alleging they may have avoided a cancer diagnosis if other treatments had been used.

153 Comments

  • claytonAugust 8, 2020 at 5:21 pm

    is it true metformin intrefer with men sex life

  • CharlesJune 6, 2020 at 9:58 am

    I have taken metformin for 10 years since then I had a contested heart failure and both kidneys shut down I became a anemic and now I'm worried about having cancer I stopped taking it in December

  • DolceMay 31, 2020 at 2:07 am

    Why was SciGen not tested? Here is the official report everyone ... Start on Page 9, and at a glance graph on Page 14 https://www.valisure.com/wp-content/uploads/Valisure-FDA-Citizen-Petition-on-Metformin-v3.9.pdf I actually use Metformin off label to reduce risk of TNBC recurrence, as do many TNBC survivors. I've been taking it for 8.5 years now, and many of us do feel we absolutely need it[Show More]Why was SciGen not tested? Here is the official report everyone ... Start on Page 9, and at a glance graph on Page 14 https://www.valisure.com/wp-content/uploads/Valisure-FDA-Citizen-Petition-on-Metformin-v3.9.pdf I actually use Metformin off label to reduce risk of TNBC recurrence, as do many TNBC survivors. I've been taking it for 8.5 years now, and many of us do feel we absolutely need it. There are currently trials of it, but none of us could wait for that. We are all doing very well, with a diagnosis that didn't have a defined long-term treatment, and so this is critical news for all of us!!

  • DamarisMarch 23, 2020 at 6:17 am

    Reading through this article and the comments, it just reminds me why so many of my friends, family, pts, and colleagues have gone off of Metformin and have opted for another product out there that was used in ayuvedic medicine to get off of this and insulin, including me with metformin and actually reverse T2. Just read the side effects as it also causes joint pain in some folks as well. I work[Show More]Reading through this article and the comments, it just reminds me why so many of my friends, family, pts, and colleagues have gone off of Metformin and have opted for another product out there that was used in ayuvedic medicine to get off of this and insulin, including me with metformin and actually reverse T2. Just read the side effects as it also causes joint pain in some folks as well. I work with various pts who are struggling to get off synthetic insulin and metformin, and are using a different product with some tremendous results. Be encouraged, there is hope out there!!

  • AnitaMarch 21, 2020 at 1:42 am

    I to have been on metformin For15,+years.2017. I had half my lung removed.Lung cancer.I have never smoked ever.my cancer was a slow growing kind.I had it for 5 years or more.I have nothing but trouble now .DR.said no could it be?

  • TheresaMarch 18, 2020 at 5:51 am

    I have been taking metformin for about 7 years and have just been diagnosed with breast cancer. I will be asking the doctor about this.

  • DeniseMarch 17, 2020 at 3:17 pm

    I have been on metformin extended release for a very long time. I had the stomach issues with regular metformin. I just started chemo for a form of ovarian cancer. If my genetic testing results come back with nothing to show why I got cancer, I would have to assume this had something to do with it.

  • DebbieMarch 13, 2020 at 12:30 am

    There is a link, in the above story, that will take you to the PDF and give you all the information on Lot #'s, manufactures, etc. I think, if I read it correctly, my Metformin is good to go but I will follow up.

  • SadieMarch 11, 2020 at 3:42 pm

    I have been on metformin for about 12 years...I noticed my hair is falling out bad...could this be the cause....I take metformin 1000 mg twice a day

  • OvaMarch 10, 2020 at 5:18 pm

    I took metformin for a week and I got so sick .took it for stage 2 diabetic . Was throwing up diarrhea couldn't hold food or water down always sweating . My chest hurt for days felt like I had cracked my ribs from throwing up so much. And then I felt like I was having a heart attack so I called my doctor and he took me off it and put me on another medication.

  • CoryMarch 10, 2020 at 4:05 pm

    Wow! Another one of my medications! I had been taking valsartan previously for my blood pressure for awhile before it got pulled. Now, my metformin is another one!? I have been on metformin for about 6 to 7 years now for my type 2 diabetes. Been taking 1000 to 1500 milligrams a day ever since. This is getting alitte ridiculous with the cancer causing agents in medications, don't you think?[Show More]Wow! Another one of my medications! I had been taking valsartan previously for my blood pressure for awhile before it got pulled. Now, my metformin is another one!? I have been on metformin for about 6 to 7 years now for my type 2 diabetes. Been taking 1000 to 1500 milligrams a day ever since. This is getting alitte ridiculous with the cancer causing agents in medications, don't you think?!

  • BrandyMarch 10, 2020 at 11:15 am

    What batches are being recalled?

  • MyraMarch 10, 2020 at 9:10 am

    I have been taking Metformin for several years now. If this is true why haven't Doctors been notified to stop prescribing this for their patients? And why has it not been pulled from pharmacies.

  • EvelynMarch 10, 2020 at 1:34 am

    I have been using the meds losartan and metformin for a long time now. So is what I read true?

  • GinaMarch 9, 2020 at 11:59 pm

    I have been on Met Forman for over 15 years begin at 500 but the last few years it’s been 1000 twice daily

  • EricMarch 9, 2020 at 11:37 pm

    I've been taking Metformin for 20 years and now I have stage 4 bone marrow cancer.

  • CynthiaMarch 9, 2020 at 11:11 pm

    My husband has taken this for years, already had both hips replaced and now on insulin. Should we worry?

  • RodneyMarch 9, 2020 at 11:05 pm

    I have been taking Metphormin for about 8-10 years.

  • KathyMarch 9, 2020 at 10:12 pm

    You don't want us to drink diet drinks because of the artificial sweeteners in them causing cancer but you can give us cancer causing medication.

  • CindyMarch 9, 2020 at 10:03 pm

    I takr metformin 500 mg twice a day should i stop

  • MarkMarch 9, 2020 at 9:34 pm

    My husband was On it for 10 years are his kidneys he's in stage 4 kidney failure becareful

  • PAMarch 9, 2020 at 9:18 pm

    My 33 yo daughter has been on this for PCOS for at least 4 years and was diagnosed and treated for breast cancer in August!

  • KristenMarch 9, 2020 at 8:40 pm

    My husband has been on this for years and actually had a high carcinogen level in his blood on recent tests............

  • CarolynMarch 9, 2020 at 7:36 pm

    I was on metformin for years. I was diagnosed with cml.. Chronicmyeloid leukemia and also non hodgkins lymphoma. I also had chemo.

  • VincentMarch 9, 2020 at 7:26 pm

    Wish the report had stated the batch and companies whose metformin tested positive for the cancer-causing NDMA so we can buy the good metformin.

  • AllenMarch 9, 2020 at 7:16 pm

    Wife and I have been on metformin for years what are our options

  • LindaMarch 9, 2020 at 6:07 pm

    I have been taking this drug for years for my diabetes and also have had breast cancer. IUs this true? Should I stop taking and call my physician?

  • EuginnaMarch 9, 2020 at 5:36 pm

    Is this why I my stomach is always upset or I am vomiting all the time the last five years while taking this.

  • CrisandaMarch 9, 2020 at 4:46 pm

    I’ve been on Metformin for awhile now for my diabetes. I take 1000mg twice a day. I have a history of cancer in my family already so I hope this isn’t the truth about Metformin!

  • DonnaMarch 9, 2020 at 3:47 pm

    I have taken Metformin for at least 6 years maybe longer. 2000 mg per day.

  • TertyMarch 9, 2020 at 3:29 pm

    Took it for years had terrible stomach issues been off it for several years still causing me problems had 4bypasses while on this drug toe amputated gall bladder surgery amoung other purseagers

  • JamesMarch 9, 2020 at 3:24 pm

    So is my diabetic meds okay I’ve been on this one for at least 2 yes now ?

  • ToryMarch 9, 2020 at 2:14 pm

    I was just put on this for PCOS. Is this true?

  • MaryMarch 9, 2020 at 2:09 pm

    I take Metformin HCL 500mg twice daily. The mfr is Aurobindo.

  • JohnMarch 9, 2020 at 1:21 pm

    Is this real? I'm taking 1000 mg twice a day.

  • JillMarch 9, 2020 at 12:32 pm

    4 of us take Metformin 2x a day for many years!

  • LisaMarch 9, 2020 at 11:40 am

    I have been on this drug for years. Metformin. Is this tru?

  • JenniferMarch 9, 2020 at 10:41 am

    How will I know if my meds were part of the recalled ones?

  • JamaineMarch 9, 2020 at 9:01 am

    Is this true I've been taking this medication for years do I need to change to another medication

  • TimMarch 9, 2020 at 7:58 am

    I've taken these for years. So what do we do with the meds.

  • LaurieMarch 9, 2020 at 5:27 am

    My husband was diagnosed with stage 2 kidney cancer. He has been on Metformin for maybe 2 years now. He had part of his kidney removed.

  • TammyMarch 9, 2020 at 5:23 am

    I was diagnosed with breast cancer back at the end of 2018. It resulted in a double madectomy and numerous cancer treatments. My surgeon said when i was diagnosed i already had the cancer 5 years. I am a diabetic i have taken metformin longer than 5 years. I did not have a genetic proclivity to getting it i was genetically tested. Do i have a lawsuite case possibly.

  • MelodyMarch 9, 2020 at 5:22 am

    I am on metformin, & have been for years. I have been taking Nexium daily for 30 years! This news is alarming!

  • StephenMarch 9, 2020 at 4:51 am

    This medication makes me sick to my stomach when I take it...I've informed my Physician and my Pharmacist and neither has offered a solution

  • AlfrediaMarch 9, 2020 at 4:51 am

    I have been on Metformin for years and in 2016 I was diagnosed with Breast Cancer is there any connection.

  • FlorenceMarch 9, 2020 at 4:50 am

    I hope it's not true I took metformin for years at least 15 years or longer.

  • GlendaMarch 9, 2020 at 4:41 am

    I scared to take meds now why cant they find out all this before they try to kill all of us I have been taking this for about 20 years off and on. Now what..

  • Samuel t.March 9, 2020 at 4:24 am

    I've been taking metformin for 3 years

  • FriendMarch 9, 2020 at 4:23 am

    They don't list the batch numbers that are found in each bottle so that consumers would know if they are affected. It's from a law firm looking for business. I would call my pharmacist about this first

  • BerthaMarch 9, 2020 at 4:22 am

    I’m been on Metformin for years. I’ve had Stomach Cancer so I need to know is this true.

  • MarjorieMarch 9, 2020 at 4:18 am

    I developed an autoimmune disease which caused rashes and later development of Rheumatoid Arthritis. Suffered for months and months while they tried all kinds of medications (all of which I had bad side effects) so now I just live with the arthritis and am on insulin.

  • RaymondMarch 9, 2020 at 4:04 am

    I have been on Metformin for about 15 years and was just diagnosed with cancer about a month ago.

  • RoseMarch 9, 2020 at 3:47 am

    I was on metformin 10yrs or longer. I was put on Januvia last year for a short time. No I am on Janumet since last year.

  • KittyMarch 9, 2020 at 3:22 am

    After reading this story about metformin it has me worried I've been taking it 2 times a day. Do I really have anything to be worried about?

  • DeniseMarch 9, 2020 at 3:21 am

    My husband and i take 3 a day of metformin

  • PatriciaMarch 9, 2020 at 2:52 am

    Ive been on metformin since 2001 do I have a reason to be alarmed from taking this medication I'm type 2

  • AmberMarch 9, 2020 at 2:48 am

    I just recently was taken off metformin. I had been taking it since 2013.

  • CourtneyMarch 9, 2020 at 2:46 am

    I don't know about cancer, but Metformin causes kidney stones...bad ones. I was on it for many years and got a 6-10mm stone every 5-6 months like clockwork. Spent 2-11 days in the hospital each time! My endo took me off of it and put me on insulin after the last stone. Since then it has been 11 months and not one stone. Beware of Metformin, it is nasty stuff.

  • CathaleenMarch 9, 2020 at 2:45 am

    I’ve been on this drug for years I’m not sure if it’s causing some of my stomach problems or not

  • JohnnyMarch 9, 2020 at 2:39 am

    I have been on Metformin for 6years or more.

  • DarnellMarch 9, 2020 at 2:38 am

    Been on this for years. Is this true.

  • RobertMarch 9, 2020 at 2:36 am

    My jobs wellness clinic recommended this for me and I've been taking it for 2 years.

  • TamaraMarch 9, 2020 at 2:33 am

    Where can a list of the 11distributing companies be found who sold the contaminated batches of Metformin and how can one determine if their pharmacy has received Metformin from one of those companies?

  • AsteriaMarch 9, 2020 at 2:32 am

    I have been taking Metformin for years, and I have been having surgery on both breast for breast cancer. I don’t know if it has something to do with my intake of Metformin. I need to know.

  • BarbaraMarch 9, 2020 at 2:30 am

    I have been taking this for several years. Is there cause for concern??

  • DottieMarch 9, 2020 at 2:27 am

    It’this for real I tAke 2000 mg a day

  • AnonymousMarch 9, 2020 at 2:22 am

    My dad was diagnosed with colon and liver cancer last year. He has been on this drug for several years!

  • GlynMarch 9, 2020 at 2:20 am

    When are we going to quit having all our meds made in China? It's always something being contaminated ie meds, children's toys, clothes, foods etc. I've had 3 meds, one I've taken for many years, taken out of circulation because they "might" cause cancer. I'm getting tired of this. We need to be protected.

  • DonnaMarch 9, 2020 at 2:17 am

    I have been on the metformin and lorsatin. I have mentioned to my doctors about trying different medicine and getting off metformin because if side effects. They want you to stay on the meds because of the best treatment for type II diabetics.

  • KEVINMarch 9, 2020 at 2:15 am

    I've been taking it a long time and I'm always feeling sick with stomach problems and other things

  • GregMarch 9, 2020 at 2:07 am

    My dad's been on it for years

  • LeonMarch 9, 2020 at 1:59 am

    WHY , are chemists using dangerous cancer causing agents in our medicines. They do the same thing in vaccines. WHY ? These drugs are cumulative in the body and blood. WHY ?

  • ValerieMarch 9, 2020 at 1:45 am

    I want to know if I should discontinue use of Metformin and if I have a case.

  • OphalMarch 9, 2020 at 1:40 am

    I have used this drug for years

  • LisaMarch 9, 2020 at 1:39 am

    Is this true I take metformin and I need to know if I should stop taking it??

  • ROBERTAMarch 9, 2020 at 1:39 am

    SO JUST WHAT ARE WE TO DO? WE TO HAVE TAKEN METFORMIN FOR YEARS. THIS IS INSANE!! PHARMACEUTICALS ARE SIMPLY KILLING PEOPLE AND OUR GOVERNMENT ALLOWS IT!!!

  • JamieMarch 9, 2020 at 1:33 am

    Was put on this crap and all it did was make me sick and I mean sick all day everyday till I told my Dr. I was done and to find something else or I would be taking nothing at all! Will not recommend to anyone.

  • EuniceMarch 9, 2020 at 1:16 am

    very concerning, I have been taking it for 5 years. We tend to hope that what we are taking is safe to use.

  • TeresaMarch 9, 2020 at 1:11 am

    Is this TRUE????? My husband has been on Metformin since 1998

  • SuzanneMarch 9, 2020 at 12:57 am

    My husband was on this for years!

  • TeresaMarch 9, 2020 at 12:52 am

    My husband takes this twice a day!should I be worried

  • CherylMarch 9, 2020 at 12:20 am

    I been taking metformin for the pass 5 years For being diabetes 2 I have been having nerve pain in my hip& legs, feet & arms. Do you think the drug metformin is the cause? Could you contact me and see if I have a case.

  • RebeccaMarch 9, 2020 at 12:17 am

    I have been on metformin for 3 and a half years,I hope this isn't true

  • WilliamMarch 8, 2020 at 11:47 pm

    I've been on metformin for over 10 years. In Oct 2014 I had kidney cancer. I was lucky the doctor was able to cut it out. I lost 30% of my right kidney. I now have a spot on my right kidney were the cancer was taken out. Will be having a MRI done in June to check it out

  • FaithMarch 8, 2020 at 11:41 pm

    My husband took it for years. I am glad he doesn't anymore.. I am glad I still have it what he did not finish taking

  • PamelaMarch 8, 2020 at 11:26 pm

    I take metformin and valsartan and have taken Zantac occasionally in addition to my GERD medication, lansoprazole. Should I be concerned??

  • JamesMarch 8, 2020 at 11:18 pm

    I have been taking Metmorphin for 2 years no issues as of yet

  • BonnieMarch 8, 2020 at 11:17 pm

    My husband and myself take this same medication. He takes a higher dose than I do but I'm sure the same results would be the same for us both. If is this true what could they replace it with that would not have this in it.

  • JesseMarch 8, 2020 at 11:12 pm

    I hope thos isn't true. I've been taking it for a couple of years. This mightt explain why doctors say it causes diarrhea.

  • AnitaMarch 8, 2020 at 11:06 pm

    I've been on it for a year. Hope it's not true

  • RobinMarch 8, 2020 at 11:03 pm

    My husband i have been on metformin i have been on it for about 6 months but my husband has been on it for 15 years

  • PatriciaMarch 8, 2020 at 10:52 pm

    Will the pharmacy let us know what to do?

  • LaurieMarch 8, 2020 at 10:43 pm

    I have been on metfoin 10 + years and I have had so many complications on liver kidney stomach the last 8 months or so

  • CindyMarch 8, 2020 at 10:20 pm

    Is this true? I use metformin for type 2 diabetes.

  • JodiMarch 8, 2020 at 9:59 pm

    Ohh my I have taking it for years. I have to have surgery tomorrow as I have a mass. Now I’m wondering if it could be from the medication

  • RobertoMarch 8, 2020 at 9:44 pm

    I take a low dose of Metformin daily. Is there a safer alternative that I can look into?

  • JacquelineMarch 8, 2020 at 9:43 pm

    I have taken these drugs for years and was diagnosed with cancer 2 years ago.

  • DoreenMarch 8, 2020 at 9:37 pm

    Is this true surly our doctor would know before it’s ox Facebook . I’ve been on this for years . Hope it’s a scam

  • HattieMarch 8, 2020 at 9:31 pm

    My husband and I have also been on various doses of Metforman and Glucophage throughout many many years.

  • KimberlyMarch 8, 2020 at 9:20 pm

    I took metformin for 10+ years. I was always extremely sick on it , and three years later after being off of it I will have several medical issues. I'm a mother of 3, and each of my pregnancies had complications that I hope weren't from this medication.

  • KevinMarch 8, 2020 at 9:18 pm

    I’ve been on this for almost 20 years.... WTF.... is this true

  • TammyMarch 8, 2020 at 9:07 pm

    What are the batch numbers? ?

  • BarbaraMarch 8, 2020 at 8:57 pm

    Should I be worried I have been on metformin since 2010 and have had breast cancer.

  • AnnieMarch 8, 2020 at 8:56 pm

    Been taking for years.Now wondering if this is why I have been sick non stop for that last 8 months.But is this true or another lawsuit for zantac

  • LanniMarch 8, 2020 at 8:35 pm

    Sign up for Zantac doctor took me off of And was taking malfoam too but was taking off it too

  • SusieMarch 8, 2020 at 8:15 pm

    My husband has been taking to medicine for several years, I want to know if it is not safe.

  • ChrisMarch 8, 2020 at 8:08 pm

    i have recently been put on metformin and I personally don't want to do this. I just read this article and want to know the truth. If this stuff is bad then I want off of it. And why would a doctor put me on this if it will cause other issues. Please advise me if this is bad stuff and if this article is true.

  • ReginaMarch 8, 2020 at 8:06 pm

    I have been on this medicine for years I started it for polycystic ovarian syndrome then for diabetes

  • ChristieMarch 8, 2020 at 7:33 pm

    I have been on this since 2006. I am very scared. I just suffered a mini stroke. Wonder if this is a side effect

  • DarbyMarch 8, 2020 at 7:24 pm

    So... How do I find out if my pills are from a bad batch?

  • RhondaMarch 8, 2020 at 6:41 pm

    We both take these

  • DeniseMarch 8, 2020 at 5:55 pm

    I have been on this medication since 2012

  • EileenMarch 8, 2020 at 5:30 pm

    I was on it before I went on Insulin 3 years ago i'm still taking 1/2 pill a day which i'm stopping right now

  • RobinMarch 8, 2020 at 5:25 pm

    Does this recall include Metformin 500, because if it does I currently this medication?

  • SharonMarch 8, 2020 at 5:24 pm

    I just started taking metformin should I be concerned?

  • PattiMarch 8, 2020 at 4:48 pm

    I have been on Metformin for well over 20 years! Should I be scared?

  • VenitaMarch 8, 2020 at 4:41 pm

    How do we go about being tested? I've been on metformin for years!

  • SheliaMarch 8, 2020 at 4:15 pm

    My husband has been on Metformin for over 16 years. Ong! He has numerous heart attacks, a 5 bypass surgery, pacemaker-defibrillator put in, after he started taking this medication. He went from a healthy 210 lb man to a 138 lb man in less than a year 5 years ago. I wonder if this medication really harmed his body?

  • LillieMarch 8, 2020 at 4:04 pm

    Ive been on for years and my husband is also on it

  • MichelleMarch 8, 2020 at 3:13 pm

    I have been on metformin for over a year do you know what company it is and if this is really true I went through the zantac thing they tried to replace it with something that didn't work. SO WHAT IS REALLY UP?

  • MikeMarch 8, 2020 at 2:25 pm

    Who the hell was making rocket fuel in the early 1900's? Do you expect anyone to consider this poorly written article has any credibility?

  • LorrieMarch 8, 2020 at 1:45 pm

    I have been on this for quite a few years 2-thousand milligrams a day. For type 2 diabetes. Last year had stomach problems they did a colonoscopy. Removed polyps they were all precancerous. now I'm starting to worry going to the doctor to see if I should quit taking this medicine!!! Now I have to have the colonoscopy done every 5 years to be safe!!!

  • GinaMarch 8, 2020 at 1:33 pm

    O my goodness. I have been taking this for 14 years. Is this really true. I am scared....

  • DiannaMarch 8, 2020 at 1:26 pm

    My husband took metformin for a very long time, he was diagnosed with lung cancer in August 2017, he died one month later, September 2017. Who's to say if this medication may have had these levels back then. Very upsetting to think he took this for years to help with diabetes and it could have contributed to him getting cancer

  • DorisMarch 8, 2020 at 1:19 pm

    I have been taking this drug for more than 20 years. I have had a few cancers, and have beat cancer with the help of God.

  • DavidMarch 8, 2020 at 1:04 pm

    To whom it may concern, my mother was on the Diabetic drug Metformin for a number of years. Approximately five years ago she devolved brain cancer and passed away within six months. Could there be any correlation between them? Thank you for your time!

  • RichardMarch 8, 2020 at 12:42 pm

    My husband has been on this for years twice a day

  • LindaMarch 8, 2020 at 9:02 am

    I have been on metformin for years help

  • SheliaMarch 8, 2020 at 6:59 am

    Want some answers.

  • CindyMarch 8, 2020 at 6:28 am

    Should we continue taking this drug? This is the second time I have seen this information.

  • VanessaMarch 8, 2020 at 5:11 am

    I take this should I stop

  • RhondaMarch 8, 2020 at 5:01 am

    How long has this contamination been occurring? I have been off and on Metformin (Glucophage) since 1996. I’ve been on as much as 1,000 mg twice a day. I was taken off of it last summer after it was determined that it was contributing to my repeated episodes of DKA. I’m concerned because I was diagnosed with papillary with follicular variant thyroid cancer in December 2011 and then with Uterine [Show More]How long has this contamination been occurring? I have been off and on Metformin (Glucophage) since 1996. I’ve been on as much as 1,000 mg twice a day. I was taken off of it last summer after it was determined that it was contributing to my repeated episodes of DKA. I’m concerned because I was diagnosed with papillary with follicular variant thyroid cancer in December 2011 and then with Uterine Cancer in July of 2017. There has been no history of either cancer in my family. I have never smoked, partook of illegal drugs, and I drink very, very little.

  • KatharineMarch 8, 2020 at 4:47 am

    I have been on Metformin since March 2017.

  • JackieMarch 8, 2020 at 4:10 am

    This scares me.

  • TammyMarch 8, 2020 at 4:02 am

    I currently am on metformin 2000 mg a day since October 2019 am i at risk

  • MichelleMarch 8, 2020 at 3:35 am

    I was prescribed metformin from 2010 until 2019 when I requested to taken off of it. What happens now?

  • WilliamMarch 8, 2020 at 3:29 am

    I have bern taking one of these medications for a few years now. I notified my MD about the initial recall a couple of years ago and it was continued to be prescribed to me.

  • VickieMarch 8, 2020 at 3:13 am

    My husband was on this for years for his diabetes just lost him last year to esophageal cancer

  • PamMarch 8, 2020 at 3:12 am

    I take 4 a day for the past 10 years. What should I be looking for.

  • NancyMarch 8, 2020 at 3:34 am

    What kind of cancer?

  • GeriMarch 8, 2020 at 3:20 am

    I have taken this drug metforman for about 10 yrs. Is it really bad for you?p pop

  • DavidMarch 7, 2020 at 10:02 pm

    I have been taking 1000 mg of metformin for over 12 years after reading this information I'm I'm very concerned. I will contact my Doctor and get his opinion

  • RobinMarch 7, 2020 at 5:28 pm

    The problem is that no other drug exists that replaces the function of Metformin. Sooo ... get off your butts researchers and discover and alternative!

  • BarbaraMarch 7, 2020 at 4:06 pm

    I take this medicine and I need to know if it's true.

  • AndrewMarch 7, 2020 at 3:22 pm

    My mother is on metformin. I already said something to her a few weeks ago and she didn't want to hear about this because I told her that I read a article on Facebook and she said "you can't believe most stories on social media". If the news media can broadcast a recall about lettuce, i would believe that this is a major health issue and should be BROADCASTED by all media agencies

  • CarrieMarch 7, 2020 at 1:46 pm

    been on its for along time what's I do

  • virginiaMarch 7, 2020 at 12:47 pm

    My husband was on Metformin for years and now has Kidney cancer and it moved to his lung as well now . Could this be the cause

  • CarrieMarch 7, 2020 at 11:44 am

    I have been on metformin for years, even through 2 pregnancies

  • ArtMarch 7, 2020 at 7:37 am

    Currently taking lodartan 100mg and metformin 250mg given by the veterans administration.

  • GaryMarch 7, 2020 at 5:48 am

    I’ve been on metformin for years. What do I do?

  • CathyMarch 7, 2020 at 4:24 am

    I have been taking metformin for about 10 years.

  • JacquelineMarch 6, 2020 at 9:58 pm

    I just taking this Metformin. Is this really true about the recall?

  • HeatherMarch 5, 2020 at 12:16 am

    My husband and myself have both been on this medication for years. Is this really true?

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