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Pharmaceutical company Pfizer has halted distribution of Chantix after finding elevated levels of a carcinogen in some lots of the popular anti-smoking drug.
The drug maker announced Thursday, June 24, that it had discovered levels of N-nitrosodimethylamine — a known cancer-causing agent that is also known as NDMA — that are above an “acceptable” level of daily intake, and has begun running tests, Stat reported.
According to Reuters, Pfizer is recalling affected lots, and said the pause in distribution is out of an abundance of caution.
“The benefits of Chantix outweigh the very low potential risks, if any, posed by nitrosamine exposure from varenicline on top of other common sources over a lifetime,” Pfizer spokesperson Steven Danehy told Reuters in an email.
The FDA has not recalled Chantix as of June 25, but Canadian health authorities did issue a recall for Champix, the drug’s name in that country, on June 8.
It’s far from the first time a drug or other product has been recalled for higher-than-expected levels of carcinogens. The FDA issued a warning about NDMA in ranitidine drugs, including the heartburn medication Zantac, in September 2019. Zantac was later voluntarily recalled by the manufacturer before the FDA issued a widespread recall request for ranitidine medications.
And in May, independent lab Valisure asked the FDA to remove 78 sunscreens from the market after detecting benzene, another known carcinogen.
Have you purchased Chantix and are now worried about carcinogens potentially being present in the drug? Let us know in the comments!
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99 thoughts onPfizer Halts Distribution of Chantix After Finding Carcinogen
I took chantix and got a letter in the mail about a recall what is my next step
I started talking chantix at begining of February 2024, I was on it for 2 and half weeks..I stopped because my hair started coming out by the had fulls…I have a huge bald spot on the back of my head..it’s not stubbly, it’s smooth skin! I’m Bald.!! It’s been 3 weeks and it’s not even try to grow back…it may never grow back 😥 I had thick ,long hair all my life ..what should I do now?
Used Chantix completed the first 2 phases and developed high blood pressure and anxiety with depression. I was on no medications and now I’m on over 7.
I used Chanticleer on 4 different occasions for quit smoking. The latest was in 2021. Resulted in Depression. How do I file?
How far back do you go? I took Chanticleer years ago and ended up with breast cancer… no cancer in my family
I started taking Chantix January 2020 and in October 2020 the results of my colonoscopy showed a tumor and after further testing it was found to be a malignant carcinogen tumor. I had surgery January 2021 to have the tumor removed and I have had several complications since. I would like to see if I’m eligible under this lawsuit.
Started taking in February of 2021 and have had voice issues. Hopefully when I see my ENT in November chantix won’t be the cause of the change. Have had blood pressure issues as well since taking it along with other issues Lord help us!!
I took the recalled script for chantix, how do I file . I confirmed with them that the NDC number and lot number is the infected lot. I still have half of my box so they are sending me a package to return the rest.
I have been taking this medication since 2018 I believe and now just recieve this letter about recall and I had experienced heart problems along with blood pressure problems and loss of appetite and now what ? I would like to be in part of this class action for what this company has done
I started taking chantix in 2014 after a heart attack. Would take for 3 months or so and quit smoking for a short time but start up again. Would repeat process 4 times over a 3+ yr period of time before I was diagnosed with stage 3B squamous cell carcinoma in the lungs in 2018. And have taken for almost a year and a half since diagnoses. I’d like to know if chantix could have contributed to my cancer !!!
I was prescribed 2 boxes that have been sense recalled. Now what?