Drug interactions
isosorbide mononitrate + tadalafil
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.
Overview
Severe hypotension; contraindicated.
Mechanism of action
Excess cGMP.
Clinical management
Contraindicated.
Drug reference
References
Frequently asked questions
Can I take isosorbide mononitrate with tadalafil?
The interaction is rated: Contraindicated. Severe hypotension; contraindicated.
How serious is the interaction between isosorbide mononitrate and tadalafil?
The interaction is rated: Contraindicated. Evidence level: High.
How is the interaction between isosorbide mononitrate and tadalafil managed?
Contraindicated.
Why do isosorbide mononitrate and tadalafil interact?
Excess cGMP.
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