A 74-year-old man is stabilized on warfarin for atrial fibrillation (target INR 2.5). He is prescribed a 5-day course of amoxicillin for a dental abscess. What is the most appropriate action regarding his anticoagulation?AStop warfarin for the duration of the antibiotic courseBReduce warfarin dose by 25% immediatelyCCheck INR 3-5 days after starting amoxicillinDSwitch to a Direct Oral Anticoagulant (DOAC) temporarilyENo action required, continue current warfarin doseCheck my answer