Drug interactions
Avanafil + Fosinopril
Severity: Moderate
Avanafil and Fosinopril: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Avanafil causes vasodilation and may add to the antihypertensive effect of the ACE inhibitor fosinopril. Dizziness or symptomatic hypotension may occur.
What this interaction means in plain words
Avanafil and Fosinopril can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Avanafil belongs to Genitourinary; Fosinopril belongs to Cardiovascular.
Why it happens
Additive vasodilatory and hypotensive effects (pharmacodynamic synergism).
What to do
Ensure blood pressure is controlled and stable before starting avanafil. Monitor blood pressure and advise slow postural changes.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Avanafil
- Amyl nitrite + Avanafil Contraindicated
- Atazanavir + Avanafil Contraindicated
- Avanafil + Clarithromycin Contraindicated
- Avanafil + Conivaptan Contraindicated
- Avanafil + Darunavir Contraindicated
- Avanafil + Fosamprenavir Contraindicated
Other interactions of Fosinopril
- Aliskiren + Fosinopril Contraindicated
- Fosinopril + Protein a column Contraindicated
- Fosinopril + Sacubitril / valsartan Contraindicated
- Fosinopril + Sacubitril-valsartan Contraindicated
- Amifostine + Fosinopril Major
- Amiloride + Fosinopril Major
Frequently asked questions
Can I take Avanafil with Fosinopril?
MediHelp rates the interaction as moderate. Avanafil and Fosinopril can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Avanafil causes vasodilation and may add to the antihypertensive effect of the ACE inhibitor fosinopril. Dizziness or symptomatic hypotension may occur.
How serious is the interaction between Avanafil and Fosinopril?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Ensure blood pressure is controlled and stable before starting avanafil. Monitor blood pressure and advise slow postural changes.
What other medicines interact with Avanafil?
MediHelp also lists interactions of Avanafil with, for example, Amyl nitrite, Atazanavir, Clarithromycin. The full list is on the Avanafil page.
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