First-lineBridion

Sugammadex

Cyclodextrin — selective NMB reversal

Rapid reversal of rocuronium and vecuronium — game-changer in obstetric anaesthesia.

IV

First-line for

  • Reversal of rocuronium/vecuronium blockade at end of case
  • Emergency 'cannot intubate cannot ventilate' after rocuronium RSI

Mechanism

Encapsulates aminosteroid NMBs (rocuronium ≫ vecuronium) in 1:1 complex → excreted renally within minutes.

"Sugammadex saves seconds"

  • CICV rescue dose: 16 mg/kg IV
  • Reduces COC efficacy — advise back-up 7 days
  • Rare bradycardia and anaphylaxis

Dosing

Routine reversal (T2 present)
2 mg/kg IV
Deep block
4 mg/kg IV
CICV rescue
16 mg/kg IV

Contraindications

  • CautionSevere renal impairment (CrCl <30)

Side effects

  • Bradycardia
  • Hypersensitivity/anaphylaxis (higher than atracurium)
  • Nausea

Fetal & maternal notes

  • Limited human pregnancy data — used when clinical need outweighs uncertainty

Key interactions

  • Progestogen contraception (COC, POP, implant)

    Caution

    Effectiveness ↓ — additional contraception 7 days

Clinical pearls

  • 💡 Enables rocuronium 1.2 mg/kg RSI as alternative to suxamethonium
  • 💡 Document COC counselling in perioperative record

Content last reviewed: REPLACE_ME (e.g. 2026-07)

Spotted something out of date? See our disclaimer or use Report an Error above.

For educational use only

Not medical advice. Verify dosing against the BNF and your local trust guidelines before prescribing.