(Meredith) -- A pharmaceutical company is once again expanding its recall of blood pressure medication due to the detection of trace amounts of a potential cancer-causing impurity, the U.S. Food and Drug Administration announced Thursday. 

Torrent Pharmaceuticals expanded its recall to include an additional 36 lots of Losartan potassium tablets and 68 lots of Losartan potassium/hydrochlorothiazide tablets. 

The FDA said the affected products contain an impurity called N-Methylnitrosobutyric acid (NMBA), which is a "substance that occurs naturally in certain foods, drinking water, air pollution, and industrial processes, and has been classified as a probable human carcinogen." 

Torrent is only recalling lots of Losartan-containing products that contain NMBA above the acceptable daily intake levels released by the FDA.

For a full list of the tablets affected by the recall, click here.

Losartan is used to treat hypertension, hypertensive patients with Left Ventricular Hypertrophy and nephropathy in Type 2 diabetic patients.

Patients "should continue taking their medication, as the risk of harm to the patient’s health may be higher if the treatment is stopped immediately without any alternative treatment," according to the FDA.

Those taking the medication are also advised to contact their pharmacist or physician to discuss alternative treatment options.

Anyone with questions about this recall can contact Torrent Pharmaceuticals Limited at:

  • 1-800-912-9561 (live calls received 8:00 am – 5:00 pm Eastern Time, voicemail available 24 hours/day, 7 days/week).

  • Medinfo.Torrent@apcerls.com

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