Interazioni tra farmaci
Dihydroergotamine intranasal + Nitroglycerin
Gravità: Maggiore
Dihydroergotamine intranasal and Nitroglycerin: major interaction.
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Sintesi
Dihydroergotamine causes vasoconstriction that opposes nitroglycerin's vasodilation and may worsen myocardial ischemia. Nitrates may also raise ergot bioavailability, increasing vasospasm risk. Patients with angina are particularly at risk.
Cosa significa questa interazione in parole semplici
Dihydroergotamine intranasal and Nitroglycerin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Perché avviene
Opposing vasoactive effects, with possible increased dihydroergotamine exposure caused by nitrates.
Cosa fare
Avoid dihydroergotamine in patients needing nitrates for coronary disease and use an alternative migraine therapy. If both are given, monitor for chest pain and ischemic symptoms.
Cosa chiedere al farmacista
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Altre interazioni di Nitroglycerin
- Avanafil + Nitroglycerin Controindicata
- Nitroglycerin + Riociguat Controindicata
- Nitroglycerin + Sildenafil Controindicata
- Nitroglycerin + Tadalafil Controindicata
- Nitroglycerin + Vardenafil Controindicata
- Dihydroergotamine + Nitroglycerin Maggiore
Domande frequenti
Can I take Dihydroergotamine intranasal with Nitroglycerin?
MediHelp rates the interaction as major. Dihydroergotamine intranasal and Nitroglycerin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Dihydroergotamine causes vasoconstriction that opposes nitroglycerin's vasodilation and may worsen myocardial ischemia. Nitrates may also raise ergot bioavailability, increasing vasospasm risk. Patients with angina are particularly at risk.
How serious is the interaction between Dihydroergotamine intranasal and Nitroglycerin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid dihydroergotamine in patients needing nitrates for coronary disease and use an alternative migraine therapy. If both are given, monitor for chest pain and ischemic symptoms.
What other medicines interact with Nitroglycerin?
MediHelp also lists interactions of Nitroglycerin with, for example, Avanafil, Riociguat, Sildenafil. The full list is on the Nitroglycerin page.
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