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List of transmucosal immediate-release fentanyl available and way of administration.
| Sublingual | Intranasal | Buccal | Oral/buccal |
|---|---|---|---|
| Fentanyl citrate tablet | Intranasal fentanyl | Fentanyl effervescent tablet | Fentanyl citrate lozenge |
| Fentanyl spray | Fentanyl citrate pectin spray | Fentanyl soluble film |
