Drug interactions
Betamethasone + Cisatracurium
Severity: Moderate
Betamethasone and Cisatracurium: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Systemic corticosteroids given with neuromuscular blockers, especially over prolonged periods in critically ill patients, are associated with acute myopathy. This presents as prolonged weakness and difficulty weaning from ventilation.
What this interaction means in plain words
Betamethasone and Cisatracurium can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Betamethasone belongs to Endocrine; Cisatracurium belongs to Musculoskeletal.
Why it happens
Corticosteroid-induced muscle catabolism and myosin loss combined with prolonged neuromuscular blockade and denervation-like changes; the exact mechanism is not fully defined.
What to do
Use the lowest effective dose and shortest duration of both drugs, and monitor neuromuscular function and creatine kinase if weakness develops. Reassess the need for continued blockade daily.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Betamethasone and Cisatracurium, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Cisatracurium
Other interactions of Betamethasone
Frequently asked questions
Can I take Betamethasone with Cisatracurium?
MediHelp rates the interaction as moderate. Betamethasone and Cisatracurium can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Systemic corticosteroids given with neuromuscular blockers, especially over prolonged periods in critically ill patients, are associated with acute myopathy. This presents as prolonged weakness and difficulty weaning from ventilation.
How serious is the interaction between Betamethasone and Cisatracurium?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective dose and shortest duration of both drugs, and monitor neuromuscular function and creatine kinase if weakness develops. Reassess the need for continued blockade daily.
What other medicines interact with Cisatracurium?
MediHelp also lists interactions of Cisatracurium with, for example, Amikacin, Bacitracin-neomycin-polymyxin, Benzhydrocodone / acetaminophen. The full list is on the Cisatracurium page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
