Ativan vs Plan B: side-by-side comparison
Ativan (Angstlösende Medikamente) and Plan B (Hormone und Empfängnisverhütung) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Ativan | Plan B |
|---|---|---|
| Active ingredient | Lorazepam | Levonorgestrel |
| Manufacturer | Pfizer | Foundation Consumer Healthcare |
| Class | Angstlösende Medikamente | Hormone und Empfängnisverhütung |
| Strengths | 0.5mg, 1mg, 2mg | 1.5mg |
| Forms | tablet, oral concentrate, injection | tablet |
What's the same
Ativan and Plan B 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
Ativan belongs to Angstlösende Medikamente while Plan B belongs to Hormone und Empfängnisverhütung. 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
Ativan: Lorazepam bindet an die Benzodiazepin-Bindungsstelle des GABA-A-Rezeptors und verstärkt allosterisch die hemmende Chloridleitfähigkeit. Plan B: Der primäre Wirkmechanismus von Plan B ist die Verzögerung oder Verhinderung des Eisprungs, wenn es vor dem LH-Anstieg eingenommen wird.
When Ativan is preferred
Ativan ist bei Erwachsenen zur Kurzzeitbehandlung von Angststörungen und angstbedingten Schlafstörungen zugelassen.
When Plan B is preferred
Plan B ist zur Notfallkontrazeption nach ungeschütztem Geschlechtsverkehr oder bekanntem/vermutetem Verhütungsversagen bei Frauen im gebärfähigen Alter indiziert.
Häufig gestellte Fragen
Is Ativan or Plan B better? ▾
Ativan and Plan B 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 Ativan to Plan B? ▾
Switching between Ativan and Plan B 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 Ativan and Plan B 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 Ativan comparisons
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