For managing anxiety, panic disorders, or other conditions affecting the central nervous system, medications such as alprazolam and diazepam are often prescribed. Let us know about Alprazolam Vs Diazepam: What Are The Similarities And Differences? They fall under the class of benzodiazepines with sedative and anxiolytic properties. Similarities Between two drugs are class of medication, uses and potential of dependence. However, they differ in their usage, duration of action, dosage and forms, addiction potential and withdrawal symptoms.