Drug interactions
Desipramine + Paliperidone
Severity: Major
Desipramine and Paliperidone: major interaction.
Last updated Sources: UK SmPC
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 can prolong the QT interval, and combined use increases the risk of torsades de pointes, particularly with electrolyte disturbances, bradycardia or structural heart disease. Sedation and orthostatic hypotension are also additive.
What this interaction means in plain words
Desipramine and Paliperidone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Desipramine belongs to Central Nervous System; Paliperidone belongs to Central Nervous System.
Why it happens
Additive QT prolongation through cardiac potassium channel blockade, with additive CNS depression and alpha-1 blockade.
What to do
Obtain a baseline and follow-up ECG, and correct potassium and magnesium abnormalities. Avoid the combination in patients with known QT prolongation or other QT-prolonging drugs.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
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 Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Frequently asked questions
Can I take Desipramine with Paliperidone?
MediHelp rates the interaction as major. Desipramine and Paliperidone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs can prolong the QT interval, and combined use increases the risk of torsades de pointes, particularly with electrolyte disturbances, bradycardia or structural heart disease. Sedation and orthostatic hypotension are also additive.
How serious is the interaction between Desipramine and Paliperidone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline and follow-up ECG, and correct potassium and magnesium abnormalities. Avoid the combination in patients with known QT prolongation or other QT-prolonging drugs.
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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