Garlic (supplement) and Ritonavir interaction

Garlic (supplement) and Ritonavir: NIH and FDA consumer guidance describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

Curated guidance for Garlic (supplement)

Moderate

Garlic supplements may reduce the effectiveness of some HIV protease inhibitors.

Curated ruleNCCIH, Garlic

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.