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Interazioni tra farmaci

Isosorbide mononitrate + Vardenafil

Gravità: Controindicata

Isosorbide mononitrate and Vardenafil: contraindicated interaction.

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Sintesi

Vardenafil inhibits PDE5 and isosorbide mononitrate releases nitric oxide, together causing a large rise in cGMP in vascular smooth muscle. Profound, sometimes fatal, hypotension and myocardial ischaemia may result.

Cosa significa questa interazione in parole semplici

Isosorbide mononitrate and Vardenafil are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Isosorbide mononitrate belongs to Cardiovascular; Vardenafil belongs to Genitourinary.

Livello di evidenza: High

Perché avviene

PDE5 inhibition potentiates nitrate-induced cGMP vasodilation

Cosa fare

Contraindicated; do not give a nitrate within 24 hours of vardenafil, and use an alternative if both are required.

Cosa chiedere al farmacista

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Domande frequenti

Can I take Isosorbide mononitrate with Vardenafil?

MediHelp rates the interaction as contraindicated. Isosorbide mononitrate and Vardenafil are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Vardenafil inhibits PDE5 and isosorbide mononitrate releases nitric oxide, together causing a large rise in cGMP in vascular smooth muscle. Profound, sometimes fatal, hypotension and myocardial ischaemia may result.

How serious is the interaction between Isosorbide mononitrate and Vardenafil?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Contraindicated; do not give a nitrate within 24 hours of vardenafil, and use an alternative if both are required.

What other medicines interact with Vardenafil?

MediHelp also lists interactions of Vardenafil with, for example, Amyl nitrite, Glyceryl trinitrate pr, Isosorbide dinitrate. The full list is on the Vardenafil page.

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