Drug interactions
Lorazepam + Methylphenidate transdermal
Severity: Minor
Lorazepam and Methylphenidate transdermal: 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
A pharmacokinetic interaction in which methylphenidate raises lorazepam levels is not well established; lorazepam is cleared by glucuronidation, not CYP enzymes. Stimulant and benzodiazepine effects are largely opposing and there is no clear clinically important interaction.
What this interaction means in plain words
Lorazepam and Methylphenidate transdermal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
No established mechanism; lorazepam is cleared by glucuronidation, so a metabolic inhibition effect is unlikely.
What to do
No dose change is needed. Monitor clinical response to each drug as usual.
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 Lorazepam
Frequently asked questions
Can I take Lorazepam with Methylphenidate transdermal?
MediHelp rates the interaction as minor. Lorazepam and Methylphenidate transdermal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. A pharmacokinetic interaction in which methylphenidate raises lorazepam levels is not well established; lorazepam is cleared by glucuronidation, not CYP enzymes. Stimulant and benzodiazepine effects are largely opposing and there is no clear clinically important interaction.
How serious is the interaction between Lorazepam and Methylphenidate transdermal?
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 dose change is needed. Monitor clinical response to each drug as usual.
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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