Drug interactions
Dosulepin + Paliperidone
Severity: Moderate
Dosulepin and Paliperidone: 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
Dosulepin is a sedating tricyclic antidepressant with anticholinergic and QT-prolonging potential. Combined with paliperidone it can increase sedation, orthostatic hypotension, anticholinergic effects and arrhythmia risk.
What this interaction means in plain words
Dosulepin and Paliperidone 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.
Dosulepin belongs to Central Nervous System; Paliperidone belongs to Central Nervous System.
Why it happens
Additive CNS depression, alpha-1 blockade, anticholinergic effects and possible additive QT prolongation.
What to do
Monitor for sedation, orthostasis and anticholinergic effects, and obtain an ECG if cardiac risk factors exist. Start with low doses and titrate slowly.
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 Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Other interactions of Dosulepin
- Dosulepin + Isocarboxazid Contraindicated
- Dosulepin + Phenelzine Contraindicated
- Dosulepin + Thioridazine Contraindicated
- Dosulepin + Tranylcypromine Contraindicated
- Amitriptyline + Dosulepin Major
- Buprenorphine + Dosulepin Major
Frequently asked questions
Can I take Dosulepin with Paliperidone?
MediHelp rates the interaction as moderate. Dosulepin and Paliperidone 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. Dosulepin is a sedating tricyclic antidepressant with anticholinergic and QT-prolonging potential. Combined with paliperidone it can increase sedation, orthostatic hypotension, anticholinergic effects and arrhythmia risk.
How serious is the interaction between Dosulepin and Paliperidone?
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 sedation, orthostasis and anticholinergic effects, and obtain an ECG if cardiac risk factors exist. Start with low doses and titrate slowly.
What other medicines interact with Paliperidone?
MediHelp also lists interactions of Paliperidone with, for example, Ibutilide, Pimozide, Vandetanib. The full list is on the Paliperidone page.
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