http://www.medications.com/effect/view/40300 Need anyone say anymore!!! I am baffled at the comments made and relieved I felt the need to research this. My daughter is 4 years old and was prescribed Singulair a year ago for allergies and chronic respiratory problems due to undiagnosed (for a month) R Fri, 27 Mar 2009 11:22:42 -0400 http://www.medications.com/effect/view/40300?item=18561 My son took this for one week, only 6 tablets and almost wrecked our lives, he is 10 and a sensitive child. Dreams so bad and lasted 3 weeks after meds. ceased. Side effects lasted another 1.5 months, just terrible. It was horrible for him and it does http://www.medications.com/effect/view/40300?item=18561 Fri, 27 Mar 2009 12:02:07 -0400 http://www.medications.com/effect/view/40300?item=18562 Please check out www.parentsforsafety.org. Please report the side effects your child experienced to the FDA and Merck. I am happy you made to connection to singulair so quickly. Take Care. http://www.medications.com/effect/view/40300?item=18562