Drug interactions
Melatonin + Tenecteplase
Severity: Minor
Melatonin and Tenecteplase: 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
Tenecteplase is a thrombolytic with a major bleeding risk. Melatonin has only weak, inconsistent reported effects on coagulation, so any additive effect is theoretical.
What this interaction means in plain words
Melatonin and Tenecteplase 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 belongs to Gastrointestinal Tract; Tenecteplase belongs to Cardiovascular.
Why it happens
Possible weak additive effect on hemostasis; mechanism is not well established.
What to do
No change is needed, as tenecteplase is given in monitored acute settings. Watch for bleeding as standard.
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
Other interactions of Tenecteplase
- Alteplase + Tenecteplase Contraindicated
- Acetylsalicylic acid + Tenecteplase Major
- Apixaban + Tenecteplase Major
- Argatroban + Tenecteplase Major
- Dabigatran etexilate + Tenecteplase Major
- Dalteparin + Tenecteplase Major
Frequently asked questions
Can I take Melatonin with Tenecteplase?
MediHelp rates the interaction as minor. Melatonin and Tenecteplase have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tenecteplase is a thrombolytic with a major bleeding risk. Melatonin has only weak, inconsistent reported effects on coagulation, so any additive effect is theoretical.
How serious is the interaction between Melatonin and Tenecteplase?
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 change is needed, as tenecteplase is given in monitored acute settings. Watch for bleeding as standard.
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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