Bictegravir and Calcium Carbonate: Drug Interaction Guide

Quick answer: This combination requires caution. Bictegravir and Calcium Carbonate can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Bictegravir interacts with Calcium Carbonate

Bictegravir chelates polyvalent calcium ions in the gastrointestinal tract, potentially reducing bictegravir absorption when taken under fasting conditions.

What you should do

Bictegravir and calcium carbonate may be taken together with food. Under fasting conditions, administer bictegravir at least 2 hours before calcium.

Key facts

Severity

Moderate — caution required

Mechanism

Bictegravir chelates polyvalent calcium ions in the gastrointestinal tract, potentially reducing bictegravir absorption ...

Action

Bictegravir and calcium carbonate may be taken together with food. Under fasting conditions, administer bictegravir at l...

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 Bictegravir and Calcium Carbonate together?

With caution. Bictegravir and calcium carbonate may be taken together with food. Under fasting conditions, administer bictegravir at least 2 hours before calcium.

What is the severity of this interaction?

The interaction between Bictegravir and Calcium Carbonate is classified as Moderate — caution required. Bictegravir chelates polyvalent calcium ions in the gastrointestinal tract, potentially reducing bictegravir absorption when taken under fasting conditions.

What should I do if I'm prescribed both?

Bictegravir and calcium carbonate may be taken together with food. Under fasting conditions, administer bictegravir at least 2 hours before calcium. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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