Drug interactions
Benztropine + Dicyclomine
Severity: Moderate
Benztropine and Dicyclomine: 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 and together increase the burden of anticholinergic effects. This can cause constipation, urinary retention, dry mouth, blurred vision, confusion and hyperthermia, with greater risk in older adults.
What this interaction means in plain words
Benztropine and Dicyclomine 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.
Benztropine belongs to Central Nervous System; Dicyclomine belongs to Respiratory.
Why it happens
Additive muscarinic receptor antagonism.
What to do
Avoid the combination where possible, especially in older patients; otherwise monitor for cognitive effects, urinary retention and ileus and reduce doses if toxicity appears.
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 Benztropine and Dicyclomine, 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 7 days on the web. No card needed.
Other interactions of Dicyclomine
- Clozapine + Dicyclomine Major
- Dicyclomine + Henbane Major
- Dicyclomine + Imipramine Major
- Dicyclomine + Pramlintide Major
- Abobotulinumtoxina + Dicyclomine Moderate
- Aclidinium + Dicyclomine Moderate
Other interactions of Benztropine
- Benztropine + Memantine-donepezil Major
- Abobotulinumtoxina + Benztropine Moderate
- Amantadine + Benztropine Moderate
- Amitriptyline + Benztropine Moderate
- Amoxapine + Benztropine Moderate
- Atropine iv / + Benztropine Moderate
Frequently asked questions
Can I take Benztropine with Dicyclomine?
MediHelp rates the interaction as moderate. Benztropine and Dicyclomine 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 and together increase the burden of anticholinergic effects. This can cause constipation, urinary retention, dry mouth, blurred vision, confusion and hyperthermia, with greater risk in older adults.
How serious is the interaction between Benztropine and Dicyclomine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible, especially in older patients; otherwise monitor for cognitive effects, urinary retention and ileus and reduce doses if toxicity appears.
What other medicines interact with Dicyclomine?
MediHelp also lists interactions of Dicyclomine with, for example, Clozapine, Henbane, Imipramine. The full list is on the Dicyclomine 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.
