Calcium Containing Iv Solutions and Ceftriaxone: Drug Interaction Guide

Quick answer: This is a major interaction — avoid combining Calcium Containing Iv Solutions and Ceftriaxone unless specifically directed by your doctor.

Interaction severity: Major — avoid combination

How Calcium Containing Iv Solutions interacts with Ceftriaxone

Ceftriaxone forms insoluble calcium-ceftriaxone precipitates in the lungs and kidneys, particularly in neonates, with reports of fatal pulmonary and renal injury.

What you should do

Do not co-administer ceftriaxone with calcium-containing IV solutions in neonates (≤28 days) under any circumstances. In older patients, use separate IV lines and flush thoroughly between infusions.

Key facts

Severity

Major — avoid combination

Mechanism

Ceftriaxone forms insoluble calcium-ceftriaxone precipitates in the lungs and kidneys, particularly in neonates, with re...

Action

Do not co-administer ceftriaxone with calcium-containing IV solutions in neonates (≤28 days) under any circumstances. In...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Calcium Containing Iv Solutions and Ceftriaxone together?

No — this combination should generally be avoided. Do not co-administer ceftriaxone with calcium-containing IV solutions in neonates (≤28 days) under any circumstances. In older patients, use separate IV lines and flush thoroughly between infusions.

What is the severity of this interaction?

The interaction between Calcium Containing Iv Solutions and Ceftriaxone is classified as Major — avoid combination. Ceftriaxone forms insoluble calcium-ceftriaxone precipitates in the lungs and kidneys, particularly in neonates, with reports of fatal pulmonary and renal injury.

What should I do if I'm prescribed both?

Do not co-administer ceftriaxone with calcium-containing IV solutions in neonates (≤28 days) under any circumstances. In older patients, use separate IV lines and flush thoroughly between infusions. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.