Interações medicamentosas
Apalutamide + Theophylline
Gravidade: Grave
Apalutamide and Theophylline: major interaction.
Última atualização
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
Apalutamide is a potent enzyme inducer and can lower theophylline exposure, leading to loss of bronchodilator control. Theophylline has a narrow therapeutic window, so subtherapeutic levels may worsen asthma or COPD.
O que esta interação significa em palavras simples
Apalutamide and Theophylline 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.
Apalutamide belongs to Endocrine; Theophylline belongs to Respiratory.
Por que acontece
Apalutamide induces CYP1A2 and CYP3A4, increasing theophylline metabolism.
O que fazer
Monitor serum theophylline concentrations and clinical response after starting apalutamide, and increase the dose if needed. Consider an alternative bronchodilator if control is inadequate.
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 Theophylline
- Riociguat + Theophylline Contraindicada
- Adenosine + Theophylline Grave
- Bupropion + Theophylline Grave
- Carvedilol + Theophylline Grave
- Cimetidine + Theophylline Grave
- Ciprofloxacin + Theophylline Grave
Outras interações de Apalutamide
- Apalutamide + Cabotegravir Contraindicada
- Apalutamide + Cobicistat Contraindicada
- Apalutamide + Doravirine Contraindicada
- Apalutamide + Elbasvir / grazoprevir Contraindicada
- Apalutamide + Ensitrelvir Contraindicada
- Apalutamide + Fostemsavir Contraindicada
Perguntas frequentes
Can I take Apalutamide with Theophylline?
MediHelp rates the interaction as major. Apalutamide and Theophylline 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. Apalutamide is a potent enzyme inducer and can lower theophylline exposure, leading to loss of bronchodilator control. Theophylline has a narrow therapeutic window, so subtherapeutic levels may worsen asthma or COPD.
How serious is the interaction between Apalutamide and Theophylline?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum theophylline concentrations and clinical response after starting apalutamide, and increase the dose if needed. Consider an alternative bronchodilator if control is inadequate.
What other medicines interact with Theophylline?
MediHelp also lists interactions of Theophylline with, for example, Riociguat, Adenosine, Bupropion. The full list is on the Theophylline page.
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