Drug interactions
Droxidopa + Rizatriptan
Severity: Moderate
Droxidopa 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
Droxidopa is converted to norepinephrine and can cause supine hypertension. Rizatriptan can raise blood pressure through vasoconstriction. Together they may produce additive increases in blood pressure.
What this interaction means in plain words
Droxidopa 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.
Droxidopa belongs to Cardiovascular; Rizatriptan belongs to Central Nervous System.
Why it happens
Additive pressor effects from norepinephrine formation and triptan-mediated vasoconstriction.
What to do
Monitor blood pressure, including supine readings, when starting or adjusting either drug. Reduce or stop droxidopa if supine hypertension 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
Other interactions of Droxidopa
- Droxidopa + Lisdexamfetamine Major
- Droxidopa + Methamphetamine Major
- Droxidopa + Pseudoephedrine Major
- Adrenaline-articaine + Droxidopa Moderate
- Almotriptan + Droxidopa Moderate
- Caffeine + Droxidopa Moderate
Frequently asked questions
Can I take Droxidopa with Rizatriptan?
MediHelp rates the interaction as moderate. Droxidopa 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. Droxidopa is converted to norepinephrine and can cause supine hypertension. Rizatriptan can raise blood pressure through vasoconstriction. Together they may produce additive increases in blood pressure.
How serious is the interaction between Droxidopa 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 blood pressure, including supine readings, when starting or adjusting either drug. Reduce or stop droxidopa if supine hypertension 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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