Drug interactions
Clorazepate + Methamphetamine
Severity: Minor
Clorazepate and Methamphetamine: 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
Methamphetamine is a stimulant and clorazepate is a sedating benzodiazepine, so their clinical effects oppose each other. Stimulation may mask sedation from clorazepate without reducing its impairment of psychomotor performance. The net effect is unpredictable.
What this interaction means in plain words
Clorazepate and Methamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Clorazepate belongs to Central Nervous System; Methamphetamine belongs to Central Nervous System.
Why it happens
Opposing pharmacodynamic effects on CNS arousal; no pharmacokinetic interaction is established.
What to do
No routine change is needed; counsel patients not to rely on perceived alertness when driving or operating machinery. Monitor for anxiety or insomnia and reassess the doses if either drug seems less effective.
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 Clorazepate
- Calcium / magnesium / potassium / sodium oxybates + Clorazepate Contraindicated
- Clorazepate + Sodium oxybate Contraindicated
- Alfentanil + Clorazepate Major
- Alprazolam + Clorazepate Major
- Amobarbital + Clorazepate Major
- Belladonna and opium + Clorazepate Major
Other interactions of Methamphetamine
- Isocarboxazid + Methamphetamine Contraindicated
- Linezolid + Methamphetamine Contraindicated
- Methamphetamine + Phenelzine Contraindicated
- Methamphetamine + Procarbazine Contraindicated
- Methamphetamine + Rasagiline Contraindicated
- Methamphetamine + Safinamide Contraindicated
Frequently asked questions
Can I take Clorazepate with Methamphetamine?
MediHelp rates the interaction as minor. Clorazepate and Methamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Methamphetamine is a stimulant and clorazepate is a sedating benzodiazepine, so their clinical effects oppose each other. Stimulation may mask sedation from clorazepate without reducing its impairment of psychomotor performance. The net effect is unpredictable.
How serious is the interaction between Clorazepate and Methamphetamine?
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 routine change is needed; counsel patients not to rely on perceived alertness when driving or operating machinery. Monitor for anxiety or insomnia and reassess the doses if either drug seems less effective.
What other medicines interact with Clorazepate?
MediHelp also lists interactions of Clorazepate with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Clorazepate page.
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