Drug interactions
Rimabotulinumtoxinb + Succinylcholine
Severity: Moderate
Rimabotulinumtoxinb and Succinylcholine: 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
Neuromuscular blocking agents may add to the muscle-weakening effect of botulinum toxin. This may lead to excessive weakness, including swallowing or breathing difficulty, particularly if the toxin has spread beyond the injection site.
What this interaction means in plain words
Rimabotulinumtoxinb and Succinylcholine 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.
Rimabotulinumtoxinb belongs to Musculoskeletal; Succinylcholine belongs to Musculoskeletal.
Why it happens
Additive impairment of neuromuscular transmission, with botulinum toxin blocking presynaptic acetylcholine release and succinylcholine depolarizing the endplate.
What to do
If neuromuscular blockade is needed after a recent toxin injection, use the lowest effective dose and monitor neuromuscular function closely. Be prepared for prolonged weakness and respiratory support.
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?
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Other interactions of Succinylcholine
Other interactions of Rimabotulinumtoxinb
- Amikacin + Rimabotulinumtoxinb Moderate
- Amitriptyline + Rimabotulinumtoxinb Moderate
- Atracurium + Rimabotulinumtoxinb Moderate
- Atropine + Rimabotulinumtoxinb Moderate
- Baclofen + Rimabotulinumtoxinb Moderate
- Benztropine + Rimabotulinumtoxinb Moderate
Frequently asked questions
Can I take Rimabotulinumtoxinb with Succinylcholine?
MediHelp rates the interaction as moderate. Rimabotulinumtoxinb and Succinylcholine 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. Neuromuscular blocking agents may add to the muscle-weakening effect of botulinum toxin. This may lead to excessive weakness, including swallowing or breathing difficulty, particularly if the toxin has spread beyond the injection site.
How serious is the interaction between Rimabotulinumtoxinb and Succinylcholine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: If neuromuscular blockade is needed after a recent toxin injection, use the lowest effective dose and monitor neuromuscular function closely. Be prepared for prolonged weakness and respiratory support.
What other medicines interact with Succinylcholine?
MediHelp also lists interactions of Succinylcholine with, for example, Amikacin, Bacitracin-neomycin-polymyxin, Capreomycin. The full list is on the Succinylcholine page.
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