Drug interactions
Clozapine + Rimabotulinumtoxinb
Severity: Minor
Clozapine and Rimabotulinumtoxinb: 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
Anticholinergic drugs may theoretically add to the effects of botulinum toxin, with excess weakness or systemic anticholinergic symptoms. Rimabotulinumtoxin B is known for autonomic effects such as dry mouth, which may be compounded by clozapine.
What this interaction means in plain words
Clozapine and Rimabotulinumtoxinb have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Clozapine belongs to Central Nervous System; Rimabotulinumtoxinb belongs to Musculoskeletal.
Why it happens
Theoretical additive effects on cholinergic neurotransmission.
What to do
Monitor for generalized weakness, swallowing difficulty and anticholinergic symptoms after injection; no routine dose change is needed.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Clozapine and Rimabotulinumtoxinb, 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 Clozapine
- Clozapine + Deferiprone Contraindicated
- Clozapine + Irinotecan Contraindicated
- Clozapine + Pimozide Contraindicated
- Clozapine + Thioridazine Contraindicated
- Acalabrutinib + Clozapine Major
- Adagrasib + Clozapine Major
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 Clozapine with Rimabotulinumtoxinb?
MediHelp rates the interaction as minor. Clozapine and Rimabotulinumtoxinb have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Anticholinergic drugs may theoretically add to the effects of botulinum toxin, with excess weakness or systemic anticholinergic symptoms. Rimabotulinumtoxin B is known for autonomic effects such as dry mouth, which may be compounded by clozapine.
How serious is the interaction between Clozapine and Rimabotulinumtoxinb?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for generalized weakness, swallowing difficulty and anticholinergic symptoms after injection; no routine dose change is needed.
What other medicines interact with Clozapine?
MediHelp also lists interactions of Clozapine with, for example, Deferiprone, Irinotecan, Pimozide. The full list is on the Clozapine 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.
