Drug interactions
Dexmedetomidine + Lorazepam
Severity: Moderate
Dexmedetomidine and Lorazepam: 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
Dexmedetomidine and lorazepam produce additive sedation, and the combination can cause hypotension, bradycardia and respiratory depression. It is often used intentionally in ICU care, with dose reduction of each drug.
What this interaction means in plain words
Dexmedetomidine and Lorazepam 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.
Dexmedetomidine belongs to Central Nervous System; Lorazepam belongs to Central Nervous System.
Why it happens
Additive sedation from alpha-2 adrenergic agonism and GABA-A potentiation.
What to do
Titrate each drug to the target sedation level and monitor blood pressure, heart rate, respiration and oxygen saturation. Expect to need lower doses than when either is used alone.
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 Lorazepam
Other interactions of Dexmedetomidine
Frequently asked questions
Can I take Dexmedetomidine with Lorazepam?
MediHelp rates the interaction as moderate. Dexmedetomidine and Lorazepam 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. Dexmedetomidine and lorazepam produce additive sedation, and the combination can cause hypotension, bradycardia and respiratory depression. It is often used intentionally in ICU care, with dose reduction of each drug.
How serious is the interaction between Dexmedetomidine and Lorazepam?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate each drug to the target sedation level and monitor blood pressure, heart rate, respiration and oxygen saturation. Expect to need lower doses than when either is used alone.
What other medicines interact with Lorazepam?
MediHelp also lists interactions of Lorazepam with, for example, Alfentanil, Alprazolam, Amobarbital. The full list is on the Lorazepam page.
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