Skip to content

Drug interactions

Melatonin + Ticlopidine

Severity: Minor

Melatonin and Ticlopidine: 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 no well-established effect on platelet function or coagulation at usual doses, and the claimed effect on prothrombin time is inconsistent. A clinically relevant interaction with ticlopidine is not supported.

What this interaction means in plain words

Melatonin and Ticlopidine 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; Ticlopidine belongs to Cardiovascular.

Evidence level: Low

Why it happens

No established mechanism; a possible minor effect on coagulation is speculative.

What to do

No action beyond awareness; report any unusual bleeding.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Melatonin and Ticlopidine, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Melatonin with Ticlopidine?

MediHelp rates the interaction as minor. Melatonin and Ticlopidine 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 no well-established effect on platelet function or coagulation at usual doses, and the claimed effect on prothrombin time is inconsistent. A clinically relevant interaction with ticlopidine is not supported.

How serious is the interaction between Melatonin and Ticlopidine?

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 action beyond awareness; report any unusual bleeding.

What other medicines interact with Ticlopidine?

MediHelp also lists interactions of Ticlopidine with, for example, Mavacamten, Abrocitinib, Acetylsalicylic acid. The full list is on the Ticlopidine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in