SUFENTA

What it isHighly potent mu agonist; anesthesia and neuraxial analgesia.
Why this oneIts potency and lipid solubility suit epidural and intrathecal use in tiny doses.
What limits itRespiratory depression, delayed after neuraxial use. Chest wall rigidity; Schedule II.
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| FDA dosing | Population | Start | Target | Max |
|---|---|---|---|---|
| Analgesia / anesthesia adjunct (IV) | Adults | 1-2 mcg/kg IV | individualized | |
| Labor and delivery (epidural) | Adults | 10-15 mcg with 10 mL bupivacaine 0.125% ± epinephrine |
Renal Undefined
Hepatic Undefined
Available strengths
Pregnancy Insufficient data; prolonged use may cause neonatal opioid withdrawal syndrome; not recommended during/immediately before labor.
Lactation Monitor infant for excess sedation and respiratory depression; withdrawal can occur if breastfeeding/opioid stopped.
| Strength | #/mo | generic $/unit | CostPlus | |
|---|---|---|---|---|
| 0.05 mg/mL | inj | per unit | not offered |
⚠ BOXED WARNINGS
Legacy pregnancy categoryC
Defining liabilityRespiratory depression and chest-wall rigidity