Cancer Home > Onsolis Warnings and Precautions
Who Should Not Use Onsolis?You should avoid Onsolis if you:
- Are allergic to it, to fentanyl, or to any of the inactive components used to make the medication. Your healthcare provider or pharmacist has a list of the inactive ingredients.
- Have not already been using a regularly scheduled opioid medication and are not opioid tolerant.
- Need pain medication only for: