Drug interactions
Atropine iv / + Nortriptyline
Severity: Moderate
Atropine iv / and Nortriptyline: 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
Atropine adds to the antimuscarinic effects of nortriptyline, which may cause tachycardia, urinary retention, dry mouth and confusion. The effect is typically short-lived after single parenteral doses.
What this interaction means in plain words
Atropine iv / and Nortriptyline 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 heart rate, mental status and urinary output, especially in older patients. Use the lowest effective atropine dose.
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 Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Frequently asked questions
Can I take Atropine iv / with Nortriptyline?
MediHelp rates the interaction as moderate. Atropine iv / and Nortriptyline 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. Atropine adds to the antimuscarinic effects of nortriptyline, which may cause tachycardia, urinary retention, dry mouth and confusion. The effect is typically short-lived after single parenteral doses.
How serious is the interaction between Atropine iv / and Nortriptyline?
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 heart rate, mental status and urinary output, especially in older patients. Use the lowest effective atropine dose.
What other medicines interact with Nortriptyline?
MediHelp also lists interactions of Nortriptyline with, for example, Disopyramide, Dofetilide, Dronedarone. The full list is on the Nortriptyline page.
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