Drug interactions
Haloperidol + Triptorelin
Severity: Moderate
Haloperidol and Triptorelin: 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
Androgen deprivation therapy with triptorelin can prolong the QT interval, which adds to the QT effect of haloperidol and increases the risk of torsades de pointes.
What this interaction means in plain words
Haloperidol and Triptorelin 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.
Haloperidol belongs to Central Nervous System; Triptorelin belongs to Endocrine.
Why it happens
Additive QT prolongation; androgen deprivation alters cardiac repolarization.
What to do
Obtain a baseline ECG and correct electrolyte abnormalities before use. Repeat ECGs periodically and consider alternatives if QTc becomes prolonged.
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 Haloperidol
- Dofetilide + Haloperidol Contraindicated
- Dronedarone + Haloperidol Contraindicated
- Haloperidol + Ibutilide Contraindicated
- Haloperidol + Levoketoconazole Contraindicated
- Haloperidol + Panobinostat Contraindicated
- Haloperidol + Pimozide Contraindicated
Other interactions of Triptorelin
Frequently asked questions
Can I take Haloperidol with Triptorelin?
MediHelp rates the interaction as moderate. Haloperidol and Triptorelin 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. Androgen deprivation therapy with triptorelin can prolong the QT interval, which adds to the QT effect of haloperidol and increases the risk of torsades de pointes.
How serious is the interaction between Haloperidol and Triptorelin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct electrolyte abnormalities before use. Repeat ECGs periodically and consider alternatives if QTc becomes prolonged.
What other medicines interact with Haloperidol?
MediHelp also lists interactions of Haloperidol with, for example, Dofetilide, Dronedarone, Ibutilide. The full list is on the Haloperidol page.
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