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Drug interactions

Aripiprazole + Dextroamphetamine

Severity: Minor

Aripiprazole and Dextroamphetamine: minor 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

Dextroamphetamine's stimulant effects oppose the sedation of aripiprazole, and antipsychotics can blunt amphetamine effects through dopamine blockade. There is little evidence of a harmful interaction, and the combination is used in practice for ADHD with psychiatric comorbidity.

What this interaction means in plain words

Aripiprazole and Dextroamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Aripiprazole belongs to Central Nervous System; Dextroamphetamine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Opposing pharmacodynamic effects on dopaminergic transmission and arousal.

What to do

No dose change is routinely needed; monitor response of ADHD symptoms and psychotic symptoms. Watch for worsening agitation or akathisia.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Aripiprazole with Dextroamphetamine?

MediHelp rates the interaction as minor. Aripiprazole and Dextroamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dextroamphetamine's stimulant effects oppose the sedation of aripiprazole, and antipsychotics can blunt amphetamine effects through dopamine blockade. There is little evidence of a harmful interaction, and the combination is used in practice for ADHD with psychiatric comorbidity.

How serious is the interaction between Aripiprazole and Dextroamphetamine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is routinely needed; monitor response of ADHD symptoms and psychotic symptoms. Watch for worsening agitation or akathisia.

What other medicines interact with Dextroamphetamine?

MediHelp also lists interactions of Dextroamphetamine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Dextroamphetamine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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