vomiting of blood
Common side effects of montelukast may include: stomach pain, diarrhea; fever or other flu symptoms; ear pain or full feeling, trouble hearing; headache; or
This drug works by blocking certain natural substances (leukotrienes) that
runny nose
Side effects of Singulair include: skin rash, mood changes, tremors, headache, stomach pain, heartburn, upset stomach, nausea, diarrhea, tooth pain
Withdrawal can present as flu-like symptoms and/or severe neuropsychiatric side effects including anxiety, depression, insomnia, and suicidal thoughts and actions