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Lithium and Ramipril: Drug Interaction Guide

Quick answer: This combination requires caution. Lithium and Ramipril can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Lithium interacts with Ramipril

ACE inhibitors reduce renal blood flow and lithium clearance via decreased glomerular filtration, increasing lithium levels by up to 35% with risk of toxicity.

What you should do

Check lithium levels within 1 week of starting or adjusting ramipril. Reduce lithium dose if levels approach upper therapeutic range and monitor for tremor or confusion.

Key facts

Severity

Moderate — caution required

Mechanism

ACE inhibitors reduce renal blood flow and lithium clearance via decreased glomerular filtration, increasing lithium lev...

Action

Check lithium levels within 1 week of starting or adjusting ramipril. Reduce lithium dose if levels approach upper thera...

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 Lithium and Ramipril together?

With caution. Check lithium levels within 1 week of starting or adjusting ramipril. Reduce lithium dose if levels approach upper therapeutic range and monitor for tremor or confusion.

What is the severity of this interaction?

The interaction between Lithium and Ramipril is classified as Moderate — caution required. ACE inhibitors reduce renal blood flow and lithium clearance via decreased glomerular filtration, increasing lithium levels by up to 35% with risk of toxicity.

What should I do if I'm prescribed both?

Check lithium levels within 1 week of starting or adjusting ramipril. Reduce lithium dose if levels approach upper therapeutic range and monitor for tremor or confusion. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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