Psychiatry is often criticized for being “late to the table” when it comes to recognizing the broader impacts of medical treatments. However, in the case of Singulair (montelukast), psychiatry has been aware of its potential neuropsychiatric effects for quite some time.
Singulair, widely used for asthma and allergic rhinitis, has long been associated with side effects such as mood changes, anxiety, depression, and even suicidality. This connection has been documented for years, yet the broader medical community and regulatory bodies have taken time to fully address these risks.
Recently, the FDA issued a new warning aimed at heightening awareness of montelukast’s neuropsychiatric side effects. This update emphasizes the importance of assessing the risk-benefit ratio, particularly for patients with mild conditions where alternative treatments may suffice.
Psychiatry’s Role
Psychiatrists have long recognized and documented cases where montelukast seemed to exacerbate or trigger psychiatric symptoms. Many of us have seen patients whose mood instability or new-onset anxiety correlated with starting the medication, leading to its discontinuation and subsequent symptom improvement.
Why This Matters
This development underscores the value of psychiatry’s vigilance in identifying patterns that might initially go unnoticed in other fields. It’s also a reminder of the importance of collaboration between specialties to ensure patient safety.
Key Takeaways:
- Patients and families: Be aware of the potential neuropsychiatric side effects of montelukast. Monitor mood, sleep, and behavior changes closely, especially in children.
- Clinicians: Always evaluate the necessity of montelukast in mild cases and consider alternatives when possible. Open conversations with patients about these risks can be life-saving.
- Psychiatrists: Continue advocating for the recognition of neuropsychiatric risks in non-psychiatric medications. Our input is crucial in ensuring patient safety.
Psychiatry wasn’t late to this table. In fact, we may have set it.









