Does Mallinckrodt make gel fentanyl patch?

Yes, Mallinckrodt does manufacture a gel formulation of fentanyl in the form of patches, specifically known as the transdermal fentanyl patch. This product is used for managing chronic pain in patients who require continuous opioid analgesia. It's important for patients to use these patches under the supervision of a healthcare provider due to the potential for serious side effects and the risk of overdose.