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Drug interactions

Aripiprazole + Peginterferon alfa 2b

Severity: Minor

Aripiprazole and Peginterferon alfa 2b: 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

Peginterferon alfa 2b may modestly alter CYP2D6-dependent metabolism of aripiprazole, though the direction and size of any change are unclear. Clinical significance is likely small.

What this interaction means in plain words

Aripiprazole and Peginterferon alfa 2b 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; Peginterferon alfa 2b belongs to Anti Virals.

Evidence level: Low

Why it happens

Possible interferon modulation of CYP2D6; not firmly established.

What to do

Monitor psychiatric response and adverse effects such as akathisia or sedation. Adjust the aripiprazole dose based on clinical response.

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 Peginterferon alfa 2b?

MediHelp rates the interaction as minor. Aripiprazole and Peginterferon alfa 2b have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Peginterferon alfa 2b may modestly alter CYP2D6-dependent metabolism of aripiprazole, though the direction and size of any change are unclear. Clinical significance is likely small.

How serious is the interaction between Aripiprazole and Peginterferon alfa 2b?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor psychiatric response and adverse effects such as akathisia or sedation. Adjust the aripiprazole dose based on clinical response.

What other medicines interact with Peginterferon alfa 2b?

MediHelp also lists interactions of Peginterferon alfa 2b with, for example, Aldesleukin, Deferiprone, Pexidartinib. The full list is on the Peginterferon alfa 2b page.

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