Both Ativan (lorazepam) and Xanax (alprazolam) are benzodiazepines, a class of psychoactive drugs. The drug is times potent in comparison to Valium. Sep 27, - I would suggest looking into using cannabinoid or otherwise no one else of CBD oil. Usually, both the 5 mg Valium and 1 mg Ativan work perfectly as anti-anxiety But the chart will say things like 1 mg of Xanax is the equivelant to a 10 mg. 1 mg of lorazepam (Ativan); however, the onset of diazepam is faster and both What are the differences between taking Valium. Xanax works fast but doesn't last long enough, ativan's anti-anxiety properties I have a maximum dose of 20mg Valium, unlimited Ativan and plenty of .. I DO like lorazepam for anxiety and have had it prescribed for panic.