Dolutegravir and Magnesium Oxide: Drug Interaction Guide
Quick answer: This combination requires caution. Dolutegravir and Magnesium Oxide can be used together with adjustments and monitoring.
How Dolutegravir interacts with Magnesium Oxide
Magnesium forms poorly absorbed chelation complexes with dolutegravir in the gastrointestinal tract, reducing dolutegravir exposure.
What you should do
Administer dolutegravir at least 2 hours before or 6 hours after magnesium-containing products, unless both are taken together with food under product-specific guidance.
Key facts
Severity
Moderate — caution required
Mechanism
Magnesium forms poorly absorbed chelation complexes with dolutegravir in the gastrointestinal tract, reducing dolutegrav...
Action
Administer dolutegravir at least 2 hours before or 6 hours after magnesium-containing products, unless both are taken to...
Frequently asked questions
Can I take Dolutegravir and Magnesium Oxide together?
With caution. Administer dolutegravir at least 2 hours before or 6 hours after magnesium-containing products, unless both are taken together with food under product-specific guidance.
What is the severity of this interaction?
The interaction between Dolutegravir and Magnesium Oxide is classified as Moderate — caution required. Magnesium forms poorly absorbed chelation complexes with dolutegravir in the gastrointestinal tract, reducing dolutegravir exposure.
What should I do if I'm prescribed both?
Administer dolutegravir at least 2 hours before or 6 hours after magnesium-containing products, unless both are taken together with food under product-specific guidance. Always consult your prescribing clinician — do not stop or change medications without medical guidance.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.