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Drug interactions

Armodafinil + Theophylline

Severity: Minor

Armodafinil and Theophylline: 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

Armodafinil is a weak inducer of CYP enzymes and might slightly lower theophylline levels. The clinical effect is expected to be small.

What this interaction means in plain words

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

Armodafinil belongs to Central Nervous System; Theophylline belongs to Respiratory.

Evidence level: Low

Why it happens

Weak induction of CYP1A2 and CYP3A4 may modestly increase theophylline clearance.

What to do

No empirical dose change is needed; check theophylline levels if the response to therapy declines.

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 Armodafinil with Theophylline?

MediHelp rates the interaction as minor. Armodafinil and Theophylline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Armodafinil is a weak inducer of CYP enzymes and might slightly lower theophylline levels. The clinical effect is expected to be small.

How serious is the interaction between Armodafinil and Theophylline?

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 empirical dose change is needed; check theophylline levels if the response to therapy declines.

What other medicines interact with Theophylline?

MediHelp also lists interactions of Theophylline with, for example, Riociguat, Adenosine, Apalutamide. The full list is on the Theophylline page.

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