Avanafil and Ethacrynic acid interaction

Avanafil and Ethacrynic acid: the Avanafil prescribing label 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

From the Avanafil label · effective 2025-12-17

Moderate

• Use of avanafil with alpha-blockers, other antihypertensives, or substantial amounts of alcohol (greater than 3 units) may lead to hypotension ( 2.3 , 5.6 , 5.7 )

Warnings and precautionsby drug classView label on DailyMed
Moderate

When vasodilators are taken in combination, blood-pressure-lowering effects of each individual compound may be increased.

Warnings and precautionsby drug classView label on DailyMed
Moderate

• Avanafil can potentiate the hypotensive effect of nitrates, alpha-blockers, antihypertensives, and alcohol ( 7.1 )

Drug interactionsby drug classView label on DailyMed
Moderate

When vasodilators are taken in combination, blood pressure-lowering effects of each individual compound may be increased.

Drug interactionsby drug classView label on DailyMed
Minor

As with other PDE5 inhibitors avanafil has systemic vasodilatory properties and may augment the blood pressure-lowering effect of other anti-hypertensive medications.

Warnings and precautionsby drug classView label on DailyMed

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.