Cancer Home > Precautions and Warnings With Fentanyl Sublingual Spray
Who Should Not Use Fentanyl Sublingual Spray?You should not use fentanyl sublingual spray if you:
- Are allergic to fentanyl, Subsys, or 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 taking regularly scheduled opioid pain medication and are not opioid tolerant (your body is not used to taking opioid medications regularly).
- Need pain medication only for acute pain (short-term pain), such as: