Never heard of this brand mallinckrodt brand of the fentanyl is it just the same as the others?

Mallinckrodt is a pharmaceutical company that produces a variety of medications, including a generic version of fentanyl. The active ingredient, fentanyl, is the same across different brands, meaning its potency and effects are similar. However, differences may exist in the formulation, delivery method, or inactive ingredients. Always consult a healthcare professional for specific information regarding any medication.