Safety troubles for hep C antivirals

The FDA has issued a safety alert for hepatitis C treatments Viekira Pak and Technivie.

It says the drugs can cause serious liver injury, mostly in patients with underlying advanced liver disease, and has ordered their maker Abbvie to add new safety warnings to the labels.

The safety announcement comes after a review of adverse events which identified cases of hepatic decompensation and liver failure in patients with