Drug interactions
Letibotulinumtoxina + Tolterodine
Severity: Moderate
Letibotulinumtoxina and Tolterodine: 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 anticholinergics may potentiate botulinum toxin effects, possibly increasing neuromuscular weakness or anticholinergic adverse effects. Risk is low with local cosmetic injections.
What this interaction means in plain words
Letibotulinumtoxina and Tolterodine 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.
Why it happens
Additive cholinergic blockade at the neuromuscular junction and muscarinic receptors.
What to do
Monitor for excessive weakness, swallowing or breathing difficulty and anticholinergic effects after injection.
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 Tolterodine
Frequently asked questions
Can I take Letibotulinumtoxina with Tolterodine?
MediHelp rates the interaction as moderate. Letibotulinumtoxina and Tolterodine 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 anticholinergics may potentiate botulinum toxin effects, possibly increasing neuromuscular weakness or anticholinergic adverse effects. Risk is low with local cosmetic injections.
How serious is the interaction between Letibotulinumtoxina and Tolterodine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for excessive weakness, swallowing or breathing difficulty and anticholinergic effects after injection.
What other medicines interact with Tolterodine?
MediHelp also lists interactions of Tolterodine with, for example, Clarithromycin, Clozapine, Cobicistat. The full list is on the Tolterodine page.
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