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Drug interactions

Armodafinil + Lofexidine

Severity: Minor

Armodafinil and Lofexidine: 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

Lofexidine is an alpha-2 agonist that causes sedation, hypotension and bradycardia, while armodafinil promotes wakefulness. The opposing effects may alter alertness, though they do not reliably offset the cardiovascular effects of lofexidine.

What this interaction means in plain words

Armodafinil and Lofexidine 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; Lofexidine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Opposing pharmacodynamic effects on CNS arousal.

What to do

Monitor blood pressure, heart rate and sedation during lofexidine treatment, and do not rely on armodafinil to counter its hypotensive effects.

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 Lofexidine?

MediHelp rates the interaction as minor. Armodafinil and Lofexidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Lofexidine is an alpha-2 agonist that causes sedation, hypotension and bradycardia, while armodafinil promotes wakefulness. The opposing effects may alter alertness, though they do not reliably offset the cardiovascular effects of lofexidine.

How serious is the interaction between Armodafinil and Lofexidine?

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 blood pressure, heart rate and sedation during lofexidine treatment, and do not rely on armodafinil to counter its hypotensive effects.

What other medicines interact with Armodafinil?

MediHelp also lists interactions of Armodafinil with, for example, Avapritinib, Elacestrant, Elbasvir / grazoprevir. The full list is on the Armodafinil page.

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