The FDA has expanded a recall of blood pressure medications that may contain an impurity known as N-nitrosodimethylamine (NDMA), a probable human carcinogen (a substance that could cause cancer).

The recall has expanded worldwide and the following have been added to the list:

• Teva (labeled as Major Pharmaceuticals)
• Prinston (labeled as Solco Healthcare LLC)
• Teva (labeled as Actavis)
• AvKARE
• Remedy Repack
• A-S Medication Solutions
• Bryant Ranch Prepack Inc.
• H J Harkins Company
• Proficient Rx LP
• Northwind

Initial recall:
Valsartan: Major Pharmaceuticals
Valsartan: Solco Healthcare
Valsartan: Teva Pharmaceuticals Industries Ltd.
Valsartan/Hydrochlorothiazide (HCTZ): Solco Healthcare
Valsartan/Hydrochlorothiazide (HCTZ): Teva Pharmaceuticals Industries Ltd.

You can find more info about the recall here.