Montelukast – Singulair
Drug Name: Montelukast
Brand Name: Singulair®
Medicine Use: Long-term control
Type of Medicine: Leukotriene modifiers
Form: Tablet, Chewable, Granules
Possible Side Effects:
Upper respiratory infection
Fever
Headache
Sore throat
Cough
Stomach pain
Diarrhea
Earache or ear infection
Flu
Runny nose
Sinus infection
Behavior or mood changes
Note: Montelukast (brand name SINGULAIR®) can cause serious side effects, like behavior and mood related changes. Montelukast has a black box warning. This is a safety warning from the Food and Drug Administration (FDA). This means you need to be aware of a drug’s side effects or important instructions for safe use of the drug. We encourage you to speak with your health care provider before, during, and after the start of any new medicine. If your doctor recommends montelukast, talk with them about possible risks and concerns.
What is the most important information I should know about SINGULAIR?
Serious mental health problems have happened in people taking SINGULAIR or even after treatment has stopped. This can happen in people with or without a history of mental health problems. Stop taking SINGULAIR and tell your healthcare provider right away if you or your child have any unusual changes in behavior or thinking, including any of these symptoms:
Agitation, including aggressive behavior or hostility
Attention problems
Bad or vivid dreams
Depression
Disorientation (confusion)
Feeling anxious
Irritability
Hallucinations (seeing or hearing things that are not really there)
Memory problems
Obsessive-compulsive symptoms
Restlessness
Sleepwalking
Stuttering
Notes/Resources:
Singulair Medication Guide
Learn more about Montelukast use during pregnancy and lactation
