Drug interactions
Atazanavir + Lurasidone
Severity: Contraindicated
Atazanavir and Lurasidone: contraindicated 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
Atazanavir, a strong CYP3A4 inhibitor (especially when boosted), markedly increases lurasidone exposure. Lurasidone labeling contraindicates concurrent use with strong CYP3A4 inhibitors because of risk of excessive adverse effects such as akathisia, sedation and extrapyramidal symptoms.
What this interaction means in plain words
Atazanavir and Lurasidone are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Atazanavir belongs to Anti Virals; Lurasidone belongs to Central Nervous System.
Why it happens
Atazanavir inhibits CYP3A4, the main metabolic pathway of lurasidone.
What to do
Avoid the combination; choose an antipsychotic less dependent on CYP3A4 or an alternative antiretroviral.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Other interactions of Lurasidone
- Apalutamide + Lurasidone Contraindicated
- Carbamazepine + Lurasidone Contraindicated
- Clarithromycin + Lurasidone Contraindicated
- Cobicistat + Lurasidone Contraindicated
- Conivaptan + Lurasidone Contraindicated
- Darunavir + Lurasidone Contraindicated
Other interactions of Atazanavir
- Alfuzosin + Atazanavir Contraindicated
- Atazanavir + Avanafil Contraindicated
- Atazanavir + Dronedarone Contraindicated
- Atazanavir + Eletriptan Contraindicated
- Atazanavir + Eplerenone Contraindicated
- Atazanavir + Ergotamine Contraindicated
Frequently asked questions
Can I take Atazanavir with Lurasidone?
MediHelp rates the interaction as contraindicated. Atazanavir and Lurasidone are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Atazanavir, a strong CYP3A4 inhibitor (especially when boosted), markedly increases lurasidone exposure. Lurasidone labeling contraindicates concurrent use with strong CYP3A4 inhibitors because of risk of excessive adverse effects such as akathisia, sedation and extrapyramidal symptoms.
How serious is the interaction between Atazanavir and Lurasidone?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination; choose an antipsychotic less dependent on CYP3A4 or an alternative antiretroviral.
What other medicines interact with Lurasidone?
MediHelp also lists interactions of Lurasidone with, for example, Apalutamide, Carbamazepine, Clarithromycin. The full list is on the Lurasidone page.
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