Batches of Valsartan Found to Contain Known Carcinogen, N-nitrosodimethylamine (NDMA)
N-nitrosodimethylamine (NDMA) is a naturally occurring substance that is yellow, odorless, and toxic. It is a byproduct of some industrial manufacturing processes and has even been used to make rocket fuel. Persons exposed to the chemical have been known to develop cancer, especially after taking Valsartan that has been contaminated with NDMA.
There are a handful of cancers that have been associated with exposure to NDMA, including:
- Bladder cancer
- Colorectal cancer
- Liver cancer
- Lung cancer
- Nasal cancer
- Pancreatic cancer
- Renal cell (kidney) cancer
- Stomach cancer
- Vascular cancer
Batches of valsartan containing NDMA are known to have been distributed to consumers. A large-scale recall of generic valsartan medications produced by Zheijian Huahai Pharmaceutical Co. Ltd. And Prinston Pharmaceuticals occurred in July 2018, at which point various consumers came forward claiming that their use of over-the-counter valsartan blood pressure medications caused them to develop cancer and liver damage.
Potential Signs of NDMA Exposure
You may have been exposed to NDMA if you have been taking Valsartan and are experiencing any of these symptoms:
- Abdominal pain and cramping
- Enlarged liver (signs include muscular aches, reduced appetite, itching, and fatigue)
- Fever
- Headaches and migraines
- Jaundice (yellowed skin)
- Labored breathing
- Light-headedness
- Queasiness
- Reduced liver function (signs include yellowed eyes, abdominal swelling, and swollen joints)
- Reduced renal function (signs include fatigue, fluid retention in the joins, and reduced urine output)
- Vomiting
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