Drug interactions
Dimenhydrinate + Lofexidine
Severity: Moderate
Dimenhydrinate and Lofexidine: 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 causes sedation and hypotension, and dimenhydrinate, a sedating antihistamine, adds to CNS depression. Patients may be drowsy and have impaired psychomotor performance.
What this interaction means in plain words
Dimenhydrinate and Lofexidine 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.
Dimenhydrinate belongs to Respiratory; Lofexidine belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects.
What to do
Advise patients about drowsiness and avoiding driving or hazardous tasks. Monitor sedation and blood pressure, and reduce doses if excessive.
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 Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Other interactions of Dimenhydrinate
Frequently asked questions
Can I take Dimenhydrinate with Lofexidine?
MediHelp rates the interaction as moderate. Dimenhydrinate and Lofexidine 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 causes sedation and hypotension, and dimenhydrinate, a sedating antihistamine, adds to CNS depression. Patients may be drowsy and have impaired psychomotor performance.
How serious is the interaction between Dimenhydrinate and Lofexidine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients about drowsiness and avoiding driving or hazardous tasks. Monitor sedation and blood pressure, and reduce doses if excessive.
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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