Drug interactions
Lisdexamfetamine + Norepinephrine
Severity: Major
Lisdexamfetamine and Norepinephrine: major 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
Amphetamines enhance adrenergic transmission, and norepinephrine is a potent vasopressor. Together they can cause exaggerated hypertension, reflex bradycardia or arrhythmias, and effects may be unpredictable in critically ill patients.
What this interaction means in plain words
Lisdexamfetamine and Norepinephrine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive adrenergic effects, with amphetamine-induced norepinephrine release and reuptake blockade potentiating pressor response.
What to do
Titrate norepinephrine cautiously with continuous blood pressure and ECG monitoring. Hold lisdexamfetamine in acutely ill patients requiring vasopressors where feasible.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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
Frequently asked questions
Can I take Lisdexamfetamine with Norepinephrine?
MediHelp rates the interaction as major. Lisdexamfetamine and Norepinephrine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Amphetamines enhance adrenergic transmission, and norepinephrine is a potent vasopressor. Together they can cause exaggerated hypertension, reflex bradycardia or arrhythmias, and effects may be unpredictable in critically ill patients.
How serious is the interaction between Lisdexamfetamine and Norepinephrine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate norepinephrine cautiously with continuous blood pressure and ECG monitoring. Hold lisdexamfetamine in acutely ill patients requiring vasopressors where feasible.
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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