Drug interactions
Meclizine + Solifenacin
Severity: Moderate
Meclizine and Solifenacin: 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
Meclizine has antimuscarinic properties, so combined use with solifenacin adds to anticholinergic burden. This may lead to dry mouth, constipation, urinary retention, blurred vision, drowsiness and confusion, especially in older adults.
What this interaction means in plain words
Meclizine and Solifenacin 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.
Meclizine belongs to Respiratory; Solifenacin belongs to Genitourinary.
Why it happens
Additive antimuscarinic effects.
What to do
Monitor for anticholinergic effects and cognitive impairment, particularly in elderly patients. Use the lowest effective doses or consider an alternative antivertigo or bladder agent.
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 Solifenacin
Other interactions of Meclizine
Frequently asked questions
Can I take Meclizine with Solifenacin?
MediHelp rates the interaction as moderate. Meclizine and Solifenacin 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. Meclizine has antimuscarinic properties, so combined use with solifenacin adds to anticholinergic burden. This may lead to dry mouth, constipation, urinary retention, blurred vision, drowsiness and confusion, especially in older adults.
How serious is the interaction between Meclizine and Solifenacin?
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 anticholinergic effects and cognitive impairment, particularly in elderly patients. Use the lowest effective doses or consider an alternative antivertigo or bladder agent.
What other medicines interact with Solifenacin?
MediHelp also lists interactions of Solifenacin with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Solifenacin page.
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