RT Journal Article SR Electronic T1 Safety of using montelukast during pregnancy JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 881 OP 882 VO 56 IS 9 A1 Gideon Koren A1 Moumita Sarkar A1 Adrienne Einarson YR 2010 UL http://www.cfp.ca/content/56/9/881.abstract AB QUESTION Montelukast is used more and more by my patients with asthma. Is it safe to use during pregnancy? ANSWER Cumulative data, including a recent Motherisk study, are very reassuring regarding the use of this drug to treat pregnant patients with asthma.