Drug interactions
Orphenadrin + Ziprasidone
Severity: Moderate
Orphenadrin and Ziprasidone: 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
Both drugs can cause sedation and dizziness, so combined use may increase drowsiness and impair alertness. Orphenadrine can also raise heart rate, and ziprasidone prolongs the QT interval.
What this interaction means in plain words
Orphenadrin and Ziprasidone 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.
Orphenadrin belongs to Musculoskeletal; Ziprasidone belongs to Central Nervous System.
Why it happens
Additive CNS depression and anticholinergic effects.
What to do
Monitor sedation and anticholinergic effects, and consider an ECG in patients with cardiac risk factors or electrolyte disturbance. Use the lowest effective doses.
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 Orphenadrin
Other interactions of Ziprasidone
- Amiodarone + Ziprasidone Contraindicated
- Amitriptyline + Ziprasidone Contraindicated
- Arsenic trioxide + Ziprasidone Contraindicated
- Bedaquiline + Ziprasidone Contraindicated
- Chloroquine + Ziprasidone Contraindicated
- Citalopram + Ziprasidone Contraindicated
Frequently asked questions
Can I take Orphenadrin with Ziprasidone?
MediHelp rates the interaction as moderate. Orphenadrin and Ziprasidone 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. Both drugs can cause sedation and dizziness, so combined use may increase drowsiness and impair alertness. Orphenadrine can also raise heart rate, and ziprasidone prolongs the QT interval.
How serious is the interaction between Orphenadrin and Ziprasidone?
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 sedation and anticholinergic effects, and consider an ECG in patients with cardiac risk factors or electrolyte disturbance. Use the lowest effective doses.
What other medicines interact with Orphenadrin?
MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin page.
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