Drug interactions
Rifapentine + Ziprasidone
Severity: Minor
Rifapentine and Ziprasidone: minor 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
Rifapentine induces CYP3A4 and may lower ziprasidone concentrations, potentially reducing antipsychotic efficacy. The effect is probably modest since CYP3A4 is a secondary route of ziprasidone clearance.
What this interaction means in plain words
Rifapentine and Ziprasidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Rifapentine belongs to Anti Bacterial; Ziprasidone belongs to Central Nervous System.
Why it happens
Rifapentine induces CYP3A4, increasing the metabolism of ziprasidone.
What to do
Monitor psychiatric response during and after rifapentine therapy. Adjust the ziprasidone dose if symptom control worsens.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Ziprasidone
- Amiodarone + Ziprasidone Contraindicated
- Amitriptyline + Ziprasidone Contraindicated
- Arsenic trioxide + Ziprasidone Contraindicated
- Bedaquiline + Ziprasidone Contraindicated
- Chloroquine + Ziprasidone Contraindicated
- Citalopram + Ziprasidone Contraindicated
Other interactions of Rifapentine
- Ledipasvir-sofosbuvir + Rifapentine Contraindicated
- Lorlatinib + Rifapentine Contraindicated
- Lurasidone + Rifapentine Contraindicated
- Ranolazine + Rifapentine Contraindicated
- Rifapentine + Sofosbuvir-velpatasvir Contraindicated
- Rifapentine + Sofosbuvir-velpatasvir-voxilaprevir Contraindicated
Frequently asked questions
Can I take Rifapentine with Ziprasidone?
MediHelp rates the interaction as minor. Rifapentine and Ziprasidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rifapentine induces CYP3A4 and may lower ziprasidone concentrations, potentially reducing antipsychotic efficacy. The effect is probably modest since CYP3A4 is a secondary route of ziprasidone clearance.
How serious is the interaction between Rifapentine and Ziprasidone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor psychiatric response during and after rifapentine therapy. Adjust the ziprasidone dose if symptom control worsens.
What other medicines interact with Ziprasidone?
MediHelp also lists interactions of Ziprasidone with, for example, Amiodarone, Amitriptyline, Arsenic trioxide. The full list is on the Ziprasidone page.
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