Prop 65 Acetaminophen Coalition Comments to OEHHA Share page: We strongly urge the CIC not to “list” acetaminophen as a carcinogen due to the lack of evidence that it has been “clearly shown” to cause cancer, and due to the unnecessary confusion and fear it could cause among consumers and patients. Download Document Issues: OTC Medicines Acetaminophen Other Issues Proposition 65 Related Posts State Government Reports Voluntary Codes and Guidelines Regulation