Drug interactions
Oxycodone + Topiramate
Severity: Moderate
Oxycodone and Topiramate: 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 cause CNS depression, so together they can increase drowsiness, dizziness, cognitive slowing and impaired psychomotor performance. Risk is greatest at initiation and dose increases and in older patients.
What this interaction means in plain words
Oxycodone and Topiramate 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.
Oxycodone belongs to Musculoskeletal; Topiramate belongs to Central Nervous System.
Why it happens
Additive central nervous system depressant effects.
What to do
Start with lower doses and titrate slowly, monitoring for excessive sedation and cognitive impairment. Warn patients against driving or operating machinery until the response is known.
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 Oxycodone
- Alvimopan + Oxycodone Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Oxycodone Contraindicated
- Isocarboxazid + Oxycodone Contraindicated
- Olanzapine / samidorphan + Oxycodone Contraindicated
- Oxycodone + Phenelzine Contraindicated
- Oxycodone + Sodium oxybate Contraindicated
Other interactions of Topiramate
Frequently asked questions
Can I take Oxycodone with Topiramate?
MediHelp rates the interaction as moderate. Oxycodone and Topiramate 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 cause CNS depression, so together they can increase drowsiness, dizziness, cognitive slowing and impaired psychomotor performance. Risk is greatest at initiation and dose increases and in older patients.
How serious is the interaction between Oxycodone and Topiramate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start with lower doses and titrate slowly, monitoring for excessive sedation and cognitive impairment. Warn patients against driving or operating machinery until the response is known.
What other medicines interact with Oxycodone?
MediHelp also lists interactions of Oxycodone with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Isocarboxazid. The full list is on the Oxycodone page.
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