Brief Answer: No. Zebeta cannot cause loose stool. Detailed Answer: Hi, Thanks for posting query. I went through the query and understood your concern. Zebeta is a beta blocker and it has no known side effect of causing loose stool or chest pain. Infact iin asthmatic patient it can increase the severity of attack and chest tightness. Since the drug act by reducing the heart rate and its activity it is used for many indications lke high blood pressure (hypertension), cardiac ischemia,heart failure, decreasing the chances of recurrence heart attacks etc. So no need to worry about zebeta and you can continue the drug. The cause for the loose stool may be due to infection or gastritis or other intestinal problem. Even occassional chest pain can be due to many causes but may not be due to drug. Hope this information helps you. Feel free to ask if any further queries and I will be glad to answer them. Wish you good health and faster recovery. Regards

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