Drug interactions
Granisetron + Solifenacin
Severity: Minor
Granisetron and Solifenacin: 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
Both agents can lengthen the QT interval, so concurrent use may modestly increase proarrhythmic risk. Solifenacin has an effect mainly at supratherapeutic doses, so the clinical risk is generally small except in susceptible patients.
What this interaction means in plain words
Granisetron and Solifenacin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Granisetron belongs to Gastrointestinal Tract; Solifenacin belongs to Genitourinary.
Why it happens
Additive effects on cardiac repolarization (QT prolongation).
What to do
No routine action is needed in low-risk patients. Consider an ECG and electrolyte check if the patient has congenital long QT, heart disease or takes other QT-prolonging drugs.
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 Granisetron
- Apomorphine + Granisetron Contraindicated
- Amiodarone + Granisetron Major
- Amisulpride + Granisetron Major
- Arsenic trioxide + Granisetron Major
- Artemether / lumefantrine + Granisetron Major
- Artemether + Granisetron Major
Other interactions of Solifenacin
Frequently asked questions
Can I take Granisetron with Solifenacin?
MediHelp rates the interaction as minor. Granisetron and Solifenacin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both agents can lengthen the QT interval, so concurrent use may modestly increase proarrhythmic risk. Solifenacin has an effect mainly at supratherapeutic doses, so the clinical risk is generally small except in susceptible patients.
How serious is the interaction between Granisetron and Solifenacin?
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 action is needed in low-risk patients. Consider an ECG and electrolyte check if the patient has congenital long QT, heart disease or takes other QT-prolonging drugs.
What other medicines interact with Granisetron?
MediHelp also lists interactions of Granisetron with, for example, Apomorphine, Amiodarone, Amisulpride. The full list is on the Granisetron page.
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