Drug interactions
Clonazepam + Melatonin
Severity: Minor
Clonazepam and Melatonin: 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
Melatonin has mild sedative effects, so it may add slightly to drowsiness caused by clonazepam. The effect is usually small and well tolerated.
What this interaction means in plain words
Clonazepam and Melatonin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Clonazepam belongs to Central Nervous System; Melatonin belongs to Gastrointestinal Tract.
Why it happens
Mild additive sedation via melatonin receptor agonism and GABAergic enhancement.
What to do
No dose adjustment is usually needed. Advise patients to watch for daytime drowsiness.
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 Clonazepam
- Calcium / magnesium / potassium / sodium oxybates + Clonazepam Contraindicated
- Clonazepam + Sodium oxybate Contraindicated
- Alfentanil + Clonazepam Major
- Alprazolam + Clonazepam Major
- Amobarbital + Clonazepam Major
- Belladonna and opium + Clonazepam Major
Other interactions of Melatonin
- Fluvoxamine + Melatonin Major
- Alfentanil + Melatonin Moderate
- Belladonna and opium + Melatonin Moderate
- Buprenorphine buccal + Melatonin Moderate
- Butabarbital + Melatonin Moderate
- Butalbital + Melatonin Moderate
Frequently asked questions
Can I take Clonazepam with Melatonin?
MediHelp rates the interaction as minor. Clonazepam and Melatonin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Melatonin has mild sedative effects, so it may add slightly to drowsiness caused by clonazepam. The effect is usually small and well tolerated.
How serious is the interaction between Clonazepam and Melatonin?
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 adjustment is usually needed. Advise patients to watch for daytime drowsiness.
What other medicines interact with Clonazepam?
MediHelp also lists interactions of Clonazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Clonazepam page.
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