Singulair vs Ativan: side-by-side comparison
Singulair (Médicaments respiratoires) and Ativan (Anxiolytiques) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Singulair | Ativan |
|---|---|---|
| Active ingredient | Montelukast | Lorazepam |
| Manufacturer | Organon | Pfizer |
| Class | Médicaments respiratoires | Anxiolytiques |
| Strengths | 4mg, 5mg, 10mg | 0.5mg, 1mg, 2mg |
| Forms | tablet, chewable tablet, oral granules | tablet, oral concentrate, injection |
What's the same
Singulair and Ativan are used in very different patients, and the points in common are limited. The main shared element is that both meet regulatory standards for efficacy and safety and benefit from pharmacist oversight.
Key differences
Singulair belongs to Médicaments respiratoires while Ativan belongs to Anxiolytiques. Indications, mechanisms and target populations differ. The comparison is most useful when a clinician has mentioned both medications and the patient wants to understand where each fits.
Mechanism and action
Singulair: Le montélukast bloque sélectivement le récepteur CysLT1, qui médie l'action des leucotriènes C4, D4 et E4 — médiateurs pro-inflammatoires libérés par les mastocytes et les éosinophiles. Ativan: Le lorazépam se lie au site benzodiazépine du récepteur GABA-A et renforce de façon allostérique la conductance chlorure inhibitrice.
When Singulair is preferred
Singulair est autorisé chez l'adulte et l'enfant dans le traitement de fond de l'asthme, y compris le bronchospasme d'effort, et dans le traitement de la rhinite allergique saisonnière et perannuelle lorsque les traitements conventionnels sont insuffisants ou mal tolérés.
When Ativan is preferred
Ativan est autorisé chez l'adulte dans la prise en charge de courte durée des troubles anxieux et de l'insomnie liée à l'anxiété.
Questions fréquentes
Is Singulair or Ativan better? ▾
Singulair and Ativan are not interchangeable — they treat different conditions. Asking which is "better" is meaningful only when a clinician has weighed both for the same specific clinical scenario.
Can I switch from Singulair to Ativan? ▾
Switching between Singulair and Ativan is rarely an appropriate decision since they belong to different classes and treat different conditions. The real question is usually whether the diagnosis calls for one medication or the other — which the prescriber resolves.
Do Singulair and Ativan have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
More Singulair comparisons
Les informations publiées sur ce site sont fournies à titre documentaire et pédagogique. Elles ne remplacent pas l'avis d'un professionnel de santé qualifié.