Interações medicamentosas
Carbamazepine + Methimazole
Gravidade: Grave
Carbamazepine and Methimazole: major interaction.
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Resumo
Both drugs can cause bone marrow suppression, including agranulocytosis, so using them together may raise the chance of serious neutropenia. Fever or sore throat may signal a life-threatening infection.
O que esta interação significa em palavras simples
Carbamazepine and Methimazole 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.
Carbamazepine belongs to Central Nervous System; Methimazole belongs to Endocrine.
Por que acontece
Additive pharmacodynamic myelotoxicity; each drug independently carries a risk of idiosyncratic agranulocytosis.
O que fazer
Obtain a baseline and periodic white cell count with differential, and instruct the patient to report fever or sore throat promptly. Stop the thionamide or carbamazepine if neutropenia develops, and consider an alternative anticonvulsant where feasible.
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 Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicada
- Cabotegravir + Carbamazepine Contraindicada
- Carbamazepine + Delamanid Contraindicada
- Carbamazepine + Dienogest / estradiol valerate Contraindicada
- Carbamazepine + Doravirine Contraindicada
- Carbamazepine + Elbasvir / grazoprevir Contraindicada
Outras interações de Methimazole
- Clozapine + Methimazole Grave
- Methimazole + Propylthiouracil Grave
- Methimazole + Sodium iodide i-131 Grave
- Iodinated glycerol + Methimazole Moderada
- Iodine + Methimazole Moderada
- Lycopus + Methimazole Moderada
Perguntas frequentes
Can I take Carbamazepine with Methimazole?
MediHelp rates the interaction as major. Carbamazepine and Methimazole 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. Both drugs can cause bone marrow suppression, including agranulocytosis, so using them together may raise the chance of serious neutropenia. Fever or sore throat may signal a life-threatening infection.
How serious is the interaction between Carbamazepine and Methimazole?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline and periodic white cell count with differential, and instruct the patient to report fever or sore throat promptly. Stop the thionamide or carbamazepine if neutropenia develops, and consider an alternative anticonvulsant where feasible.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.
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