Drug interactions
Lofexidine + Methocarbamol
Severity: Moderate
Lofexidine and Methocarbamol: moderate 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 during opioid withdrawal. Methocarbamol may add to sedation and dizziness.
What this interaction means in plain words
Lofexidine and Methocarbamol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Lofexidine belongs to Central Nervous System; Methocarbamol belongs to Musculoskeletal.
Why it happens
Additive CNS depression between an alpha-2 adrenergic agonist and a centrally acting muscle relaxant.
What to do
Monitor for oversedation, blood pressure and heart rate, and counsel on orthostatic symptoms. Reduce doses if sedation or hypotension occurs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Methocarbamol
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 Methocarbamol?
MediHelp rates the interaction as moderate. Lofexidine and Methocarbamol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Lofexidine is an alpha-2 agonist that causes sedation, hypotension and bradycardia during opioid withdrawal. Methocarbamol may add to sedation and dizziness.
How serious is the interaction between Lofexidine and Methocarbamol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for oversedation, blood pressure and heart rate, and counsel on orthostatic symptoms. Reduce doses if sedation or hypotension occurs.
What other medicines interact with Methocarbamol?
MediHelp also lists interactions of Methocarbamol with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Methocarbamol page.
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