Interactions médicamenteuses
Deferiprone + Pyrimethamine
Gravité: Majeure
Deferiprone and Pyrimethamine: major interaction.
Dernière mise à jour Sources: US FDA label
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Résumé
Deferiprone can cause neutropenia and agranulocytosis, and pyrimethamine, as a folate antagonist, can cause bone marrow suppression. Combined use may increase the risk of severe hematologic toxicity.
Ce que signifie cette interaction, en termes simples
Deferiprone and Pyrimethamine 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.
Deferiprone belongs to Miscellaneous; Pyrimethamine belongs to Anti Parasitic.
Pourquoi elle survient
Additive myelosuppression (pharmacodynamic); pyrimethamine inhibits dihydrofolate reductase.
Conduite à tenir
Avoid the combination if an alternative exists. If it is necessary, monitor absolute neutrophil count and platelets more frequently, and interrupt deferiprone for neutropenia.
Questions à poser à votre pharmacien
- 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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Références
Autres interactions de Pyrimethamine
- Eliglustat + Pyrimethamine Majeure
- Acalabrutinib + Pyrimethamine Modérée
- Brexpiprazole + Pyrimethamine Modérée
- Dapsone + Pyrimethamine Modérée
- Folic acid + Pyrimethamine Modérée
- Fosphenytoin + Pyrimethamine Modérée
Autres interactions de Deferiprone
- Clozapine + Deferiprone Contre-indiquée
- Abemaciclib + Deferiprone Majeure
- Acalabrutinib + Deferiprone Majeure
- Ado-trastuzumab emtansine + Deferiprone Majeure
- Ado-trastuzumab + Deferiprone Majeure
- Aldesleukin + Deferiprone Majeure
Questions fréquentes
Can I take Deferiprone with Pyrimethamine?
MediHelp rates the interaction as major. Deferiprone and Pyrimethamine 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. Deferiprone can cause neutropenia and agranulocytosis, and pyrimethamine, as a folate antagonist, can cause bone marrow suppression. Combined use may increase the risk of severe hematologic toxicity.
How serious is the interaction between Deferiprone and Pyrimethamine?
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 the combination if an alternative exists. If it is necessary, monitor absolute neutrophil count and platelets more frequently, and interrupt deferiprone for neutropenia.
What other medicines interact with Pyrimethamine?
MediHelp also lists interactions of Pyrimethamine with, for example, Eliglustat, Acalabrutinib, Brexpiprazole. The full list is on the Pyrimethamine page.
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