Drug interactions
Clemastine + Loprazolam
Severity: Moderate
Clemastine and Loprazolam: 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
Both drugs depress the central nervous system, so combined use can increase drowsiness, slowed reaction time and impaired coordination, including next-day effects. Risk is higher in older adults.
What this interaction means in plain words
Clemastine and Loprazolam 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.
Why it happens
Additive CNS depression via GABA-A potentiation and central H1 antagonism.
What to do
Use the lowest effective benzodiazepine dose and warn against driving or alcohol. Consider a non-sedating antihistamine.
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 Clemastine
Frequently asked questions
Can I take Clemastine with Loprazolam?
MediHelp rates the interaction as moderate. Clemastine and Loprazolam 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. Both drugs depress the central nervous system, so combined use can increase drowsiness, slowed reaction time and impaired coordination, including next-day effects. Risk is higher in older adults.
How serious is the interaction between Clemastine and Loprazolam?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective benzodiazepine dose and warn against driving or alcohol. Consider a non-sedating antihistamine.
What other medicines interact with Clemastine?
MediHelp also lists interactions of Clemastine with, for example, Alfentanil, Benzhydrocodone / acetaminophen, Buprenorphine buccal. The full list is on the Clemastine page.
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