Drug interactions
Benztropine + Desipramine
Severity: Moderate
Benztropine and Desipramine: 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 have antimuscarinic activity, so combining them increases the risk of anticholinergic toxicity. This may present as constipation, urinary retention, dry mouth, blurred vision, confusion or hyperthermia, and is more likely in older adults.
What this interaction means in plain words
Benztropine and Desipramine 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; Desipramine belongs to Central Nervous System.
Why it happens
Additive antimuscarinic pharmacodynamic effects.
What to do
Use the lowest effective benztropine dose and monitor for anticholinergic effects, including cognition, bowel and bladder function. Consider alternatives in elderly patients.
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 Desipramine
- Desipramine + Disopyramide Contraindicated
- Desipramine + Dofetilide Contraindicated
- Desipramine + Ibutilide Contraindicated
- Desipramine + Isocarboxazid Contraindicated
- Desipramine + Methylene blue Contraindicated
- Desipramine + Pentamidine Contraindicated
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 Desipramine?
MediHelp rates the interaction as moderate. Benztropine and Desipramine 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 have antimuscarinic activity, so combining them increases the risk of anticholinergic toxicity. This may present as constipation, urinary retention, dry mouth, blurred vision, confusion or hyperthermia, and is more likely in older adults.
How serious is the interaction between Benztropine and Desipramine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective benztropine dose and monitor for anticholinergic effects, including cognition, bowel and bladder function. Consider alternatives in elderly patients.
What other medicines interact with Desipramine?
MediHelp also lists interactions of Desipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Desipramine page.
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