Drug interactions
Flavoxate + Glycopyrrolate inhaled
Severity: Moderate
Flavoxate and Glycopyrrolate inhaled: 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
Both agents have antimuscarinic activity, so combined use can increase anticholinergic adverse effects. Systemic absorption of inhaled glycopyrrolate is low, so the effect is usually modest.
What this interaction means in plain words
Flavoxate and Glycopyrrolate inhaled 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 muscarinic receptor antagonism.
What to do
Monitor for urinary retention, dry mouth and constipation, especially in patients with glaucoma or prostatic hypertrophy.
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 Flavoxate
- Clozapine + Flavoxate Major
- Abobotulinumtoxina + Flavoxate Moderate
- Aclidinium + Flavoxate Moderate
- Amantadine + Flavoxate Moderate
- Amitriptyline + Flavoxate Moderate
- Amoxapine + Flavoxate Moderate
Frequently asked questions
Can I take Flavoxate with Glycopyrrolate inhaled?
MediHelp rates the interaction as moderate. Flavoxate and Glycopyrrolate inhaled 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. Both agents have antimuscarinic activity, so combined use can increase anticholinergic adverse effects. Systemic absorption of inhaled glycopyrrolate is low, so the effect is usually modest.
How serious is the interaction between Flavoxate and Glycopyrrolate inhaled?
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 urinary retention, dry mouth and constipation, especially in patients with glaucoma or prostatic hypertrophy.
What other medicines interact with Flavoxate?
MediHelp also lists interactions of Flavoxate with, for example, Clozapine, Abobotulinumtoxina, Aclidinium. The full list is on the Flavoxate page.
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