Interações medicamentosas
Alosetron + Ketoconazole
Gravidade: Grave
Alosetron and Ketoconazole: 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
Ketoconazole may raise alosetron concentrations, increasing the risk of serious gastrointestinal adverse effects such as constipation and ischemic colitis. Alosetron already carries a serious gastrointestinal risk.
O que esta interação significa em palavras simples
Alosetron and Ketoconazole 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.
Alosetron belongs to Gastrointestinal Tract; Ketoconazole belongs to Anti Fungals.
Por que acontece
Ketoconazole inhibits CYP3A4, one of the enzymes metabolizing alosetron.
O que fazer
Avoid the combination if possible, or use only with close monitoring; stop alosetron promptly if constipation or abdominal pain, or bloody stools develop.
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 Ketoconazole
- Alfuzosin + Ketoconazole Contraindicada
- Alprazolam + Ketoconazole Contraindicada
- Avanafil + Ketoconazole Contraindicada
- Conivaptan + Ketoconazole Contraindicada
- Dihydroergotamine intranasal + Ketoconazole Contraindicada
- Dihydroergotamine + Ketoconazole Contraindicada
Outras interações de Alosetron
- Alosetron + Apomorphine Contraindicada
- Alosetron + Fluvoxamine Contraindicada
- Alosetron + Ciprofloxacin Grave
- Alosetron + Deferasirox Grave
- Alosetron + Eluxadoline Grave
- Alosetron + Mexiletine Grave
Perguntas frequentes
Can I take Alosetron with Ketoconazole?
MediHelp rates the interaction as major. Alosetron and Ketoconazole 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. Ketoconazole may raise alosetron concentrations, increasing the risk of serious gastrointestinal adverse effects such as constipation and ischemic colitis. Alosetron already carries a serious gastrointestinal risk.
How serious is the interaction between Alosetron and Ketoconazole?
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 possible, or use only with close monitoring; stop alosetron promptly if constipation or abdominal pain, or bloody stools develop.
What other medicines interact with Ketoconazole?
MediHelp also lists interactions of Ketoconazole with, for example, Alfuzosin, Alprazolam, Avanafil. The full list is on the Ketoconazole page.
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