Interações medicamentosas
Guanfacine + Lofexidine
Gravidade: Grave
Guanfacine and Lofexidine: major interaction.
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Resumo
Both drugs are central alpha-2 adrenergic agonists that lower blood pressure and heart rate. Taking them together duplicates therapy and can cause marked hypotension, bradycardia, sedation and syncope.
O que esta interação significa em palavras simples
Guanfacine and Lofexidine 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.
Guanfacine belongs to Cardiovascular; Lofexidine belongs to Central Nervous System.
Por que acontece
Duplicate central alpha-2 agonism producing additive sympatholytic, hypotensive and bradycardic effects.
O que fazer
Avoid concurrent use where possible and choose one alpha-2 agonist. If both are required, monitor blood pressure and heart rate closely and reduce doses as needed.
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 Lofexidine
- Adagrasib + Lofexidine Grave
- Alfuzosin + Lofexidine Grave
- Amiodarone + Lofexidine Grave
- Amisulpride + Lofexidine Grave
- Anagrelide + Lofexidine Grave
- Apomorphine + Lofexidine Grave
Outras interações de Guanfacine
- Clonidine + Guanfacine Grave
- Aldesleukin + Guanfacine Moderada
- Amiodarone + Guanfacine Moderada
- Amisulpride + Guanfacine Moderada
- Amitriptyline + Guanfacine Moderada
- Amobarbital + Guanfacine Moderada
Perguntas frequentes
Can I take Guanfacine with Lofexidine?
MediHelp rates the interaction as major. Guanfacine and Lofexidine 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 are central alpha-2 adrenergic agonists that lower blood pressure and heart rate. Taking them together duplicates therapy and can cause marked hypotension, bradycardia, sedation and syncope.
How serious is the interaction between Guanfacine and Lofexidine?
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 concurrent use where possible and choose one alpha-2 agonist. If both are required, monitor blood pressure and heart rate closely and reduce doses as needed.
What other medicines interact with Lofexidine?
MediHelp also lists interactions of Lofexidine with, for example, Adagrasib, Alfuzosin, Amiodarone. The full list is on the Lofexidine page.
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