Drug interactions
Ceftriaxone + Enoxaparin
Severity: Minor
Ceftriaxone and Enoxaparin: 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 is not known to alter enoxaparin's effect meaningfully. Rare ceftriaxone-associated coagulopathy in debilitated patients could add to bleeding risk. The combination is commonly used.
What this interaction means in plain words
Ceftriaxone and Enoxaparin 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 belongs to Anti Bacterial; Enoxaparin belongs to Cardiovascular.
Why it happens
Possible vitamin K depletion by ceftriaxone adds theoretically to anticoagulant bleeding risk; no direct effect on enoxaparin.
What to do
Continue both as indicated; monitor for bleeding and renal function.
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 Enoxaparin
- Defibrotide + Enoxaparin Contraindicated
- Enoxaparin + Ketorolac Contraindicated
- Enoxaparin + Mifepristone Contraindicated
- Abciximab + Enoxaparin Major
- Aceclofenac + Enoxaparin Major
- Acetylsalicylic acid + Enoxaparin Major
Frequently asked questions
Can I take Ceftriaxone with Enoxaparin?
MediHelp rates the interaction as minor. Ceftriaxone and Enoxaparin 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 is not known to alter enoxaparin's effect meaningfully. Rare ceftriaxone-associated coagulopathy in debilitated patients could add to bleeding risk. The combination is commonly used.
How serious is the interaction between Ceftriaxone and Enoxaparin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Continue both as indicated; monitor for bleeding and renal function.
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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