Stopping Digoxin?

Does anyone know if you can stop digoxin “Cold Turkey”? I’m starting a chemo drug on Monday that interacts with the digoxin I’ve been taking for the last 6 months. My oncologist said, at my Christmas Eve appointment, to stop the digoxin and call my cardiologist for information on that. With the holidays, I haven’t been able to reach anyone to ask! And, I can’t find anything definitive on line….