Two weeks after announcing concerns about high-levels of carcinogens in popular diabetes drugs, the U.S. Food and Drug Administration announced the first voluntary recalls of this class of drugs manufactured by five companies.

The U.S. Food and Drug Administration is requesting makers of all versions of the heartburn drug Zantac to remove the products from the market immediately due to the presence of a probable carcinogen.

For Halloween, BioSpace collected six tales of thrills and chills from the pharma and biotech industries that will surely have you covering your eyes in terror.

GlaxoSmithKline Plc is recalling the company’s heartburn medicine Zantac as a “precautionary measure” due to a probable cancer-causing impurity in the drug, Britain’s medicines watchdog said.

The FDA found “unacceptable levels” of a cancer-causing impurity in limited testing using low-heat method of samples of heartburn medicines such as Zantac containing the ingredient ranitidine.

A toxin inadvertently produced in the manufacture of a widely prescribed medicine but not spotted for years raises questions about regulators’ ability to detect risks in a sprawling global drug supply chain increasingly reliant on factories in China.

Heart drugs containing an active ingredient from a second Chinese company are being recalled from the European market after detection of a toxic impurity that may cause cancer.

A unit of India’s Hetero Drugs is recalling some batches of the blood pressure and heart medicine valsartan in the United States amid a wider probe into cancer risks associated with the drug.