Drug interactions
Argatroban + Ceftriaxone
Severity: Minor
Argatroban and Ceftriaxone: 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
Ceftriaxone has not been shown to meaningfully potentiate argatroban. Ceftriaxone can occasionally prolong prothrombin time, particularly in malnourished or critically ill patients, and argatroban also raises the INR. The concern is mostly theoretical but affects lab interpretation.
What this interaction means in plain words
Argatroban and Ceftriaxone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Argatroban belongs to Cardiovascular; Ceftriaxone belongs to Anti Bacterial.
Why it happens
Possible additive effect on coagulation via reduced vitamin K availability from gut flora disruption; not well established.
What to do
Titrate argatroban to aPTT and monitor for bleeding; consider vitamin K status in malnourished patients on prolonged ceftriaxone.
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 Ceftriaxone
- Calcium chloride + Ceftriaxone Contraindicated
- Calcium gluconate + Ceftriaxone Contraindicated
- Calcium + Ceftriaxone Contraindicated
- Ceftriaxone + Lactated ringer's Contraindicated
- Ceftriaxone + Ringer's solution Contraindicated
- Calcium acetate + Ceftriaxone Major
Other interactions of Argatroban
- Argatroban + Defibrotide Contraindicated
- Argatroban + Ketorolac Contraindicated
- Argatroban + Mifepristone Contraindicated
- Abciximab + Argatroban Major
- Acalabrutinib + Argatroban Major
- Acetylsalicylic acid + Argatroban Major
Frequently asked questions
Can I take Argatroban with Ceftriaxone?
MediHelp rates the interaction as minor. Argatroban and Ceftriaxone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ceftriaxone has not been shown to meaningfully potentiate argatroban. Ceftriaxone can occasionally prolong prothrombin time, particularly in malnourished or critically ill patients, and argatroban also raises the INR. The concern is mostly theoretical but affects lab interpretation.
How serious is the interaction between Argatroban and Ceftriaxone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate argatroban to aPTT and monitor for bleeding; consider vitamin K status in malnourished patients on prolonged ceftriaxone.
What other medicines interact with Ceftriaxone?
MediHelp also lists interactions of Ceftriaxone with, for example, Calcium chloride, Calcium gluconate, Calcium. The full list is on the Ceftriaxone page.
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