Drug interactions
Caffeine + Lofexidine
Severity: Minor
Caffeine 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
Caffeine is a stimulant and may partly offset the sedation caused by lofexidine. No meaningful harmful interaction is established, and caffeine could also worsen anxiety or insomnia during opioid withdrawal.
What this interaction means in plain words
Caffeine 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.
Caffeine belongs to Miscellaneous; Lofexidine belongs to Central Nervous System.
Why it happens
Opposing CNS effects; caffeine antagonizes adenosine receptors while lofexidine is a central alpha-2 agonist.
What to do
No specific action is needed beyond awareness; moderate caffeine intake during withdrawal treatment.
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 Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Other interactions of Caffeine
- Caffeine + Ephedrine Major
- Caffeine + Fezolinetant Major
- Caffeine + Methylenedioxymethamphetamine Major
- Caffeine + Selegiline transdermal Major
- Adenosine + Caffeine Moderate
- Benzphetamine + Caffeine Moderate
Frequently asked questions
Can I take Caffeine with Lofexidine?
MediHelp rates the interaction as minor. Caffeine 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. Caffeine is a stimulant and may partly offset the sedation caused by lofexidine. No meaningful harmful interaction is established, and caffeine could also worsen anxiety or insomnia during opioid withdrawal.
How serious is the interaction between Caffeine 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: No specific action is needed beyond awareness; moderate caffeine intake during withdrawal treatment.
What other medicines interact with Lofexidine?
MediHelp also lists interactions of Lofexidine with, for example, Adagrasib, Alfuzosin, Amiodarone. The full list is on the Lofexidine page.
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