Drug interactions
Lofepramine + Rizatriptan
Severity: Moderate
Lofepramine and Rizatriptan: 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 agents increase serotonergic activity, so serotonin syndrome is a theoretical risk when they are combined. Clinical reports with tricyclics are few and the risk is considered low.
What this interaction means in plain words
Lofepramine and Rizatriptan 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.
Why it happens
Additive serotonergic effects from triptan 5-HT1B/1D agonism and lofepramine inhibition of monoamine reuptake.
What to do
Monitor for serotonin syndrome features, especially after dose changes. Withdraw the serotonergic drugs and give supportive care if it develops.
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 Rizatriptan
- Almotriptan + Rizatriptan Contraindicated
- Dihydroergotamine intranasal + Rizatriptan Contraindicated
- Dihydroergotamine + Rizatriptan Contraindicated
- Eletriptan + Rizatriptan Contraindicated
- Ergoloid mesylates + Rizatriptan Contraindicated
- Ergotamine + Rizatriptan Contraindicated
Frequently asked questions
Can I take Lofepramine with Rizatriptan?
MediHelp rates the interaction as moderate. Lofepramine and Rizatriptan 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 agents increase serotonergic activity, so serotonin syndrome is a theoretical risk when they are combined. Clinical reports with tricyclics are few and the risk is considered low.
How serious is the interaction between Lofepramine and Rizatriptan?
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 serotonin syndrome features, especially after dose changes. Withdraw the serotonergic drugs and give supportive care if it develops.
What other medicines interact with Rizatriptan?
MediHelp also lists interactions of Rizatriptan with, for example, Almotriptan, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Rizatriptan page.
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