Drug interactions
Rimabotulinumtoxinb + Thioridazine
Severity: Minor
Rimabotulinumtoxinb and Thioridazine: minor 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
Drugs with anticholinergic activity may add to the effects of botulinum toxin. This could contribute to excessive muscle weakness or systemic anticholinergic effects, although the clinical evidence is limited.
What this interaction means in plain words
Rimabotulinumtoxinb and Thioridazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Rimabotulinumtoxinb belongs to Musculoskeletal; Thioridazine belongs to Central Nervous System.
Why it happens
Thioridazine's antimuscarinic activity may add to the cholinergic blockade at the neuromuscular junction caused by botulinum toxin.
What to do
No routine change is needed; monitor for generalized weakness, swallowing difficulty or breathing problems after injection.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Thioridazine
- Abiraterone + Thioridazine Contraindicated
- Adagrasib + Thioridazine Contraindicated
- Amiodarone + Thioridazine Contraindicated
- Amisulpride + Thioridazine Contraindicated
- Amitriptyline + Thioridazine Contraindicated
- Amoxapine + Thioridazine Contraindicated
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 Thioridazine?
MediHelp rates the interaction as minor. Rimabotulinumtoxinb and Thioridazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Drugs with anticholinergic activity may add to the effects of botulinum toxin. This could contribute to excessive muscle weakness or systemic anticholinergic effects, although the clinical evidence is limited.
How serious is the interaction between Rimabotulinumtoxinb and Thioridazine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; monitor for generalized weakness, swallowing difficulty or breathing problems after injection.
What other medicines interact with Thioridazine?
MediHelp also lists interactions of Thioridazine with, for example, Abiraterone, Adagrasib, Amiodarone. The full list is on the Thioridazine page.
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