Biaxin XLSide Effects - XML FEED - Medications.com http://www.medications.com/se/Biaxin+XL Recent side effects for Biaxin XL I was on a ten day course of Biaxin XL for Bronchitis. I also tak Tue, 12 Feb 2008 23:28:39 -0500 http://www.medications.com/effect/view/27137 I was on a ten day course of Biaxin XL for Bronchitis. I also take Wellbutrin (150mg a day). No side effects until the eighth day of my course. I was in class, in the morning, and squatting down talking to a friend. As I got up, I was extremely dizzy (like http://www.medications.com/effect/view/27137