FDA officials first discovered the problem with Teva Pharmaceutical’s fentanyl transdermal patch in January. The patch contained a metal element on portion of the patch that was not designed for contact with the skin. However, when the patch wearer underwent an MRI, the result was serious skin burns at the area of the fentanyl patch. It seems that such patches carried no warnings about the metal and the potential burn dangers such patches may cause when associated with MRIs. While the fentanyl patch was the one that caught the attention of the FDA, it is not the only such patch without a proper warning label. Many prescription and generic patches contain the same type of metal that conducts electricity in an MRI, thus causing the patch to heat and potentially burn the skin.