I have been experiencing diarrhea for more than 6 weeks. It started about a month after beginning Sotalol for my heart issues. I am now also on Venetoclax for CLL. Both list diarrhea as a side effect. I don't want to stop taking either drug. I had stool samples examined at my GP's lab which came back negative. I am now on a bland diet. I have made an appointment with a GI doctor on Aug. 30. Any suggestions?