. 2017 Jan 21;83(2):215–227. doi: 10.1016/j.bjorl.2017.01.002

Table 10.

Side effects of antileukotrienes.48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59

Adverse effects of montelukast
Overall effects	Pharyngitis, fever, infection	Comparable to placebo⁴⁷
Effects on lower airways	Worsening of asthma	Comparable to placebo⁴⁷
Effects on central nervous system	Irritability, aggressiveness, hallucinations Suicide?	Related to other drugs used together? Symptom improvement after treatment discontinuation48, 49, 50, 51, 52
Vascular system	Churg-Strauss Syndrome? (Vasculitis) Angioedema	Not fully clarified53, 54
Skin	Urticaria	⁵³
Hepatic	Hepatitis	53, 55
High doses of up to 1000 g	Malaise, vomiting, abdominal pain and hyperactivity	No serious accounts in relation to overdose56, 57