Lactaid Side Effects: Recently, I had an experience very similar to pocoloco's experien http://www.medications.com/effect/view/30681 Recently, I had an experience very similar to pocoloco's experience with Lactaid. The main difference is that pocoloco experience seems to have wained within hours, mine were much more severe and lasted for days. On a Monday, I took some Lactaid before I am so glad that you posted this side effect. I had the same th Fri, 30 May 2008 15:18:53 -0400 http://www.medications.com/effect/view/30681?item=8747 I am so glad that you posted this side effect. I had the same thing happen to me yesterday. I was at work and took a lactaid before eating a salad with ranch dressing. Within 15 minutes I started to get abdonminal pain, sweats, and bloating. I had to l http://www.medications.com/effect/view/30681?item=8747