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Drug interactions

Lasmiditan + Oxymorphone

Severity: Moderate

Lasmiditan and Oxymorphone: 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

Lasmiditan commonly causes dizziness and sedation, and these effects can add to the CNS depression of opioids. The combination has not been formally studied, so the extent of additive impairment is predicted.

What this interaction means in plain words

Lasmiditan and Oxymorphone 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.

Lasmiditan belongs to Central Nervous System; Oxymorphone belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive CNS depressant effects from the pharmacodynamic actions of both drugs.

What to do

Monitor for excessive drowsiness and impaired alertness, and advise patients not to drive or operate machinery for at least 8 hours after lasmiditan. Reduce the opioid dose if sedation is excessive.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Lasmiditan with Oxymorphone?

MediHelp rates the interaction as moderate. Lasmiditan and Oxymorphone 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. Lasmiditan commonly causes dizziness and sedation, and these effects can add to the CNS depression of opioids. The combination has not been formally studied, so the extent of additive impairment is predicted.

How serious is the interaction between Lasmiditan and Oxymorphone?

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 for excessive drowsiness and impaired alertness, and advise patients not to drive or operate machinery for at least 8 hours after lasmiditan. Reduce the opioid dose if sedation is excessive.

What other medicines interact with Oxymorphone?

MediHelp also lists interactions of Oxymorphone with, for example, Alvimopan, Ethanol, Isocarboxazid. The full list is on the Oxymorphone page.

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