Drug interactions
Meclizine + Methscopolamine
Severity: Moderate
Meclizine and Methscopolamine: 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 drugs block muscarinic receptors, so using them together intensifies anticholinergic effects such as dry mouth, constipation, urinary retention, blurred vision and tachycardia. Older patients are at greater risk of confusion and heat intolerance.
What this interaction means in plain words
Meclizine and Methscopolamine 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 antimuscarinic effects.
What to do
Monitor for anticholinergic toxicity and consider dose reduction or an alternative to one agent. Take extra care in patients with glaucoma, bladder outlet obstruction or ileus.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Meclizine and Methscopolamine, 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 14 days on the web. No card needed.
Other interactions of Meclizine
Frequently asked questions
Can I take Meclizine with Methscopolamine?
MediHelp rates the interaction as moderate. Meclizine and Methscopolamine 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 drugs block muscarinic receptors, so using them together intensifies anticholinergic effects such as dry mouth, constipation, urinary retention, blurred vision and tachycardia. Older patients are at greater risk of confusion and heat intolerance.
How serious is the interaction between Meclizine and Methscopolamine?
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 toxicity and consider dose reduction or an alternative to one agent. Take extra care in patients with glaucoma, bladder outlet obstruction or ileus.
What other medicines interact with Meclizine?
MediHelp also lists interactions of Meclizine with, for example, Belladonna and opium, Benzhydrocodone / acetaminophen, Brexanolone. The full list is on the Meclizine 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.
