Updated: 7:43 AM CDT Aug 13, 2018
Jen Christensen
The US Food and Drug
Administration expanded the list of drugs being recalled that contain
valsartan. The drug is used as a component in a set of drugs used to treat
heart failure and blood pressure.
The FDA initially
announced a valsartan recall in July after lab tests discovered that some drugs
could have been tainted with a substance linked to higher risk of cancer. The
drug had previously been recalled in 22 other countries. The expanded recall
includes some drugs that contain valsartan and hydrochlorothisazide. Not all of
the drugs containing valsartan were impacted.
N-nitrosodimethylamine
or NDMA, the impurity the lab tests found, is considered a possible carcinogen
by the US Environmental Protection Agency. It is an organic chemical that has
been used to make liquid rocket fuel, and can be unintentionally introduced
through certain chemical reactions. It's a byproduct from the manufacturing of
some pesticides and fish processing.
The medicines that are
now a part of this expanded list in the recall are tablets sold by AvKare, A-S
Medication Solutions LLC, Bryant Ranch Prepack Inc, H J Harkins Company,
Northwind Pharmaceuticals, Prinston Pharmaceutical Inc. (labeled as Solco
Healthcare LLC), Proficient Rx LP, Remedy Repack, Teva Pharmaceuticals (labeled
as Major Pharmaceuticals), Teva Pharmaceuticals USA (labeled as Actavis).
The FDA also published
a list of valsartan products that are not currently recalled. Only the drugs
suspected of being tainted with NDMA are on the recall list. If you are taking
a valsartan drug, look for the company name on your prescription bottle. If the
information isn't on the label, you can call your pharmacy for those details.
The recalled medicine
is linked to a manufacturer in China. The substances were supplied by Zhejiang
Huahai Pharmaceuticals, based in Linhai, in eastern China, which said it
notified authorities as soon as it identified the impurity.
"We published our
recall notice at midday on July 13 in China and overseas, and published the US
market recall notice on July 14 Beijing time ... all the drug materials for the
Chinese market were recalled by July 23," the company said in a statement
to the Shanghai stock exchange last month.
The FDA said on its
website it's working with drug manufacturers "to ensure future valsartan
active pharmaceutical ingredients are not at risk."
If you are worried
that your drug could be on the recall list, talk with your doctor or pharmacist
before changing any routine with your medicine. Because not all valsartan drugs
are involved in the recall, they might be able to switch you to a version of
the drug made by another company.
If you know your drug
is on the recall list, the FDA suggests you continue taking it until your
doctor or pharmacist provides a replacement.
To get a sense of what
taking a tainted drug could mean, FDA scientists estimated that if 8,000 people
took the highest dose of valsartan (320 mg) from the recalled batches every day
for four years, there may be one additional case of cancer.
"The key with
this is, patients should not stop taking their medication abruptly, that
definitely can be harmful," Dr. Mary Ann Bauman, a representative for the
American Heart Association, said in July. "You don't want to jump to any
conclusions on your own about this medication, or any medication for that
matter. Definitely talk with your doctor first."
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