http://www.medications.com/effect/view/39148 I have been on 500mg 2x day for 10days. I am on day 4 and I have so much gas I can fly to venus, saturn and mars. I take the meds with food so that my tummy will not get upset. I have had no other problems. The gas is embarrassing. Fri, 06 Mar 2009 07:54:21 -0500 http://www.medications.com/effect/view/39148?item=17738 YES! me, too. It's crazy. http://www.medications.com/effect/view/39148?item=17738 Fri, 06 Mar 2009 07:55:15 -0500 http://www.medications.com/effect/view/39148?item=17739 I am suffering from this same side effect. It is an insane amount of gas. http://www.medications.com/effect/view/39148?item=17739