Drug interactions
Lofexidine + Modafinil
Severity: Minor
Lofexidine and Modafinil: 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 causing sedation, hypotension and bradycardia, while modafinil promotes wakefulness. Modafinil may reduce the sedative effect but would not prevent hypotension or bradycardia.
What this interaction means in plain words
Lofexidine and Modafinil 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 belongs to Central Nervous System; Modafinil belongs to Central Nervous System.
Why it happens
Opposing pharmacodynamic effects on CNS arousal.
What to do
Monitor blood pressure and heart rate as normal during lofexidine therapy and do not use modafinil to counteract its sedation.
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?
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Other interactions of Modafinil
Other interactions of Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Frequently asked questions
Can I take Lofexidine with Modafinil?
MediHelp rates the interaction as minor. Lofexidine and Modafinil 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 causing sedation, hypotension and bradycardia, while modafinil promotes wakefulness. Modafinil may reduce the sedative effect but would not prevent hypotension or bradycardia.
How serious is the interaction between Lofexidine and Modafinil?
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 and heart rate as normal during lofexidine therapy and do not use modafinil to counteract its sedation.
What other medicines interact with Modafinil?
MediHelp also lists interactions of Modafinil with, for example, Lenacapavir, Leniolisib, Lorlatinib. The full list is on the Modafinil page.
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