Interações medicamentosas
Bosentan + Drospirenone
Gravidade: Grave
Bosentan and Drospirenone: 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.
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Resumo
Bosentan induces CYP3A4 and can lower hormonal contraceptive exposure, reducing contraceptive reliability. This is the opposite of the legacy direction, and drospirenone does not meaningfully affect bosentan.
O que esta interação significa em palavras simples
Bosentan and Drospirenone 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.
Bosentan belongs to Miscellaneous; Drospirenone belongs to Endocrine.
Por que acontece
Bosentan induces CYP3A4, increasing the metabolism of drospirenone and other contraceptive steroids.
O que fazer
Do not rely on hormonal contraception alone during bosentan therapy; add or switch to a reliable non-hormonal method such as an intrauterine device or use dual methods.
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 Drospirenone
Outras interações de Bosentan
- Bosentan + Cyclosporin Contraindicada
- Bosentan + Cyclosporine Contraindicada
- Bosentan + Glyburide Contraindicada
- Bosentan + Glyburide-metformin Contraindicada
- Bosentan + Lonafarnib Contraindicada
- Bosentan + Sparsentan Contraindicada
Perguntas frequentes
Can I take Bosentan with Drospirenone?
MediHelp rates the interaction as major. Bosentan and Drospirenone 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. Bosentan induces CYP3A4 and can lower hormonal contraceptive exposure, reducing contraceptive reliability. This is the opposite of the legacy direction, and drospirenone does not meaningfully affect bosentan.
How serious is the interaction between Bosentan and Drospirenone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not rely on hormonal contraception alone during bosentan therapy; add or switch to a reliable non-hormonal method such as an intrauterine device or use dual methods.
What other medicines interact with Drospirenone?
MediHelp also lists interactions of Drospirenone with, for example, Belzutifan, Carbamazepine, Eplerenone. The full list is on the Drospirenone page.
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