http://www.medications.com/effect/view/34934 Along with uncharacteristic depression from using singulair for only a few months- I experienced ( and still now, after 1 week prior to ending my daily dosage) terrible lower calf cramps I have never experienced before. Not only do I get quick searing pains Thu, 25 Sep 2008 17:40:49 -0400 http://www.medications.com/effect/view/34934?item=12764 Please report these side effects to the FDA and to Merck. They have to know how this medication is affecting people. Stay off of it and you should eventually see the side effects lessen. Good luck! http://www.medications.com/effect/view/34934?item=12764 Thu, 25 Sep 2008 17:45:38 -0400 http://www.medications.com/effect/view/34934?item=12767 Thanks for speaking out. Merck has to be crapping their pants realizing how many people have problems with singulair and how it's going to affect sales. Now doctors need to wake up and admit their can be serious issues with singulair and start taking a m http://www.medications.com/effect/view/34934?item=12767 Mon, 29 Sep 2008 23:34:30 -0400 http://www.medications.com/effect/view/34934?item=12921 Please visit the advocacy site of Parents United for Pharmaceutical Safety and Accountability at www.parentsforsafety.org. http://www.medications.com/effect/view/34934?item=12921