Drug interactions
Melatonin + Protein c concentrate
Severity: Minor
Melatonin and Protein c concentrate: 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 been reported to have slight effects on coagulation parameters in some settings, though evidence is weak. Protein C concentrate has anticoagulant activity, so an additive effect is only theoretical.
What this interaction means in plain words
Melatonin and Protein c concentrate 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
Possible weak additive effect on hemostasis; mechanism is not well established.
What to do
No dose adjustment is needed. Monitor for bleeding and coagulation parameters as routinely indicated for protein C therapy.
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 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 Melatonin with Protein c concentrate?
MediHelp rates the interaction as minor. Melatonin and Protein c concentrate 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 been reported to have slight effects on coagulation parameters in some settings, though evidence is weak. Protein C concentrate has anticoagulant activity, so an additive effect is only theoretical.
How serious is the interaction between Melatonin and Protein c concentrate?
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 needed. Monitor for bleeding and coagulation parameters as routinely indicated for protein C therapy.
What other medicines interact with Melatonin?
MediHelp also lists interactions of Melatonin with, for example, Fluvoxamine, Alfentanil, Belladonna and opium. The full list is on the Melatonin page.
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