Ziprasidone and Buspirone Interaction
Drug interaction information between Ziprasidone and Buspirone.
Ziprasidone and Buspirone have a documented moderate interaction in FDA labeling.
FDA drug labeling documents a moderate-severity interaction between Ziprasidone and Buspirone. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.
How They Interact
Both of these drugs increase a chemical in the brain called serotonin. Having too much serotonin can lead to a dangerous condition called serotonin syndrome.
What To Do
Tell your doctor if you feel very restless, confused, or have a fast heartbeat. Your doctor will decide if it is safe for you to take both medicines.
FDA Label Information
Risk of serotonin syndrome with concomitant therapy with other serotonergic drugs such as SNRIs, SSRIs, triptans, tricyclic antidepressants, opioids, lithium, tryptophan, buspirone, amphetamines, and St.
Ziprasidone Also Interacts With
- Lithium moderate
- Tetrabenazine moderate
- Estradiol minor
- Propranolol minor
- Lorazepam minor
Buspirone Also Interacts With
- Tranylcypromine moderate
- Citalopram minor
- Darunavir minor
- Desvenlafaxine minor
- Diltiazem minor
Frequently Asked Questions
Can I take Ziprasidone and Buspirone together?
This is a moderate interaction. Tell your doctor if you feel very restless, confused, or have a fast heartbeat. Your doctor will decide if it is safe for you to take both medicines.
How serious is the interaction between Ziprasidone and Buspirone?
This interaction is classified as "moderate" severity by the FDA. Moderate interactions may worsen your condition or change how your medications work.
Why do Ziprasidone and Buspirone interact?
Both of these drugs increase a chemical in the brain called serotonin. Having too much serotonin can lead to a dangerous condition called serotonin syndrome.
Understanding the Ziprasidone and Buspirone Interaction
FDA-approved prescribing information for these two drugs flags their combination as a moderate-severity interaction. Ziprasidone belongs to the Atypical Antipsychotic class and Buspirone belongs to the Azapirone Anxiolytic class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Both of these drugs increase a chemical in the brain called serotonin. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.
Context around a specific patient determines real-world impact. Ziprasidone has 18 total documented interactions on file in this dataset, and Buspirone has 17. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: Tell your doctor if you feel very restless, confused, or have a fast heartbeat. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.
An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Ziprasidone or Buspirone based on a web page, speak with your prescriber or pharmacist before making any change.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.
Read our methodology - how this data is sourced, computed, and verified.