Interazioni tra farmaci
Amobarbital + Warfarin
Gravità: Maggiore
Amobarbital and Warfarin: major interaction.
Ultimo aggiornamento
Per operatori sanitari — solo a scopo di riferimento. Questa pagina è una sintesi breve, non è un parere medico e non sostituisce il RCP ufficiale né il giudizio clinico. Verificare sempre prima di prescrivere o dispensare.
Il contenuto clinico di questa pagina è disponibile solo in inglese.
Sintesi
Barbiturates induce hepatic enzymes and accelerate warfarin metabolism, lowering INR and reducing anticoagulant protection. The effect develops over weeks and persists after the barbiturate is stopped, with risk of rebound overanticoagulation.
Cosa significa questa interazione in parole semplici
Amobarbital and Warfarin 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.
Amobarbital belongs to Central Nervous System; Warfarin belongs to Cardiovascular.
Perché avviene
Induction of hepatic CYP enzymes (including CYP2C9 and CYP3A4) increasing warfarin clearance.
Cosa fare
Monitor INR frequently and increase the warfarin dose as required. Reduce the dose and recheck INR when the barbiturate is discontinued.
Cosa chiedere al farmacista
- 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?
Per gli utenti Pro+
Sblocca la pagina completa
Crei un account e avvii una prova di Pro+ per sbloccare le indicazioni complete sulla gestione di Amobarbital e Warfarin, le note aggiuntive, il dettaglio delle evidenze e il controllo delle interazioni per un'intera prescrizione.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Provi Pro+ gratis per 14 giorni sul web. Nessuna carta.
Altre interazioni di Warfarin
- Defibrotide + Warfarin Controindicata
- Ketorolac + Warfarin Controindicata
- Abciximab + Warfarin Maggiore
- Acetylsalicylic acid + Warfarin Maggiore
- Adagrasib + Warfarin Maggiore
- Amiodarone + Warfarin Maggiore
Altre interazioni di Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Controindicata
- Amobarbital + Doravirine Controindicata
- Amobarbital + Elbasvir / grazoprevir Controindicata
- Amobarbital + Isavuconazonium Controindicata
- Amobarbital + Isocarboxazid Controindicata
- Amobarbital + Lonafarnib Controindicata
Domande frequenti
Can I take Amobarbital with Warfarin?
MediHelp rates the interaction as major. Amobarbital and Warfarin 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. Barbiturates induce hepatic enzymes and accelerate warfarin metabolism, lowering INR and reducing anticoagulant protection. The effect develops over weeks and persists after the barbiturate is stopped, with risk of rebound overanticoagulation.
How serious is the interaction between Amobarbital and Warfarin?
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 INR frequently and increase the warfarin dose as required. Reduce the dose and recheck INR when the barbiturate is discontinued.
What other medicines interact with Warfarin?
MediHelp also lists interactions of Warfarin with, for example, Defibrotide, Ketorolac, Abciximab. The full list is on the Warfarin page.
Monografie complete, posologie e verifica delle interazioni nell'app MediHelp
Apra il riferimento completo, verifichi le interazioni tra più farmaci e usi gli strumenti di posologia nell'app MediHelp.
