Drug interactions
Dexmedetomidine + Lisdexamfetamine
Severity: Moderate
Dexmedetomidine and Lisdexamfetamine: 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
Dexmedetomidine is an alpha-2 agonist that sedates and lowers heart rate and blood pressure, while amphetamines are stimulants with opposing hemodynamic effects. The drugs may reduce each other's effects and cause unpredictable blood pressure and heart rate changes.
What this interaction means in plain words
Dexmedetomidine and Lisdexamfetamine 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.
Dexmedetomidine belongs to Central Nervous System; Lisdexamfetamine belongs to Central Nervous System.
Why it happens
Opposing pharmacodynamic effects: central alpha-2 agonism versus amphetamine-induced norepinephrine release.
What to do
Monitor blood pressure, heart rate and sedation depth during dexmedetomidine use. Consider holding the stimulant on the day of procedural sedation per local protocol.
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 Lisdexamfetamine
- Isocarboxazid + Lisdexamfetamine Contraindicated
- Linezolid + Lisdexamfetamine Contraindicated
- Lisdexamfetamine + Phenelzine Contraindicated
- Lisdexamfetamine + Procarbazine Contraindicated
- Lisdexamfetamine + Rasagiline Contraindicated
- Lisdexamfetamine + Safinamide Contraindicated
Other interactions of Dexmedetomidine
Frequently asked questions
Can I take Dexmedetomidine with Lisdexamfetamine?
MediHelp rates the interaction as moderate. Dexmedetomidine and Lisdexamfetamine 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. Dexmedetomidine is an alpha-2 agonist that sedates and lowers heart rate and blood pressure, while amphetamines are stimulants with opposing hemodynamic effects. The drugs may reduce each other's effects and cause unpredictable blood pressure and heart rate changes.
How serious is the interaction between Dexmedetomidine and Lisdexamfetamine?
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, heart rate and sedation depth during dexmedetomidine use. Consider holding the stimulant on the day of procedural sedation per local protocol.
What other medicines interact with Lisdexamfetamine?
MediHelp also lists interactions of Lisdexamfetamine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Lisdexamfetamine page.
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