Interações medicamentosas
Iobenguane i + Methyldopa
Gravidade: Grave
Iobenguane i and Methyldopa: major interaction.
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Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.
O conteúdo clínico desta página está disponível apenas em inglês.
Resumo
Methyldopa interferes with catecholamine handling and may reduce uptake of iobenguane into target cells. This can lower its diagnostic or therapeutic efficacy.
O que esta interação significa em palavras simples
Iobenguane i and Methyldopa 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.
Por que acontece
Depletion or false-transmitter replacement of catecholamine stores and altered neuronal uptake reduce iobenguane accumulation.
O que fazer
Discontinue methyldopa for at least five half-lives before iobenguane dosimetry or therapy and do not resume until at least 7 days after each dose, using an alternative antihypertensive meanwhile.
O que perguntar ao farmacêutico
- 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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Outras interações de Methyldopa
- Methyldopa + Tranylcypromine Contraindicada
- Lofexidine + Methyldopa Grave
- Methyldopa + Pexidartinib Grave
- Methyldopa + Pretomanid Grave
- Methyldopa + Thioridazine Grave
- Adrenaline-articaine + Methyldopa Moderada
Perguntas frequentes
Can I take Iobenguane i with Methyldopa?
MediHelp rates the interaction as major. Iobenguane i and Methyldopa 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. Methyldopa interferes with catecholamine handling and may reduce uptake of iobenguane into target cells. This can lower its diagnostic or therapeutic efficacy.
How serious is the interaction between Iobenguane i and Methyldopa?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Discontinue methyldopa for at least five half-lives before iobenguane dosimetry or therapy and do not resume until at least 7 days after each dose, using an alternative antihypertensive meanwhile.
What other medicines interact with Methyldopa?
MediHelp also lists interactions of Methyldopa with, for example, Tranylcypromine, Lofexidine, Pexidartinib. The full list is on the Methyldopa page.
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