Dec 19, - Available for iPhone, iPad, Android, and Web. Maximum 4 mg/day Alprazolam (Xanax®): The initial dose is mg two to three times a day; the dose can be . Please refer to standard drug information resources to check for specific interactions. Diazepam, lorazepam – olanzapine (Zyprexa). May 6, - I have a clmt that is being prescribed Xanax, ativan and valium for panic attacks. . pharmacokinetics: po: onset 30 min, peak hr, duration hr, therapeutic response days, half life hrs Thanks for the info. Lorazepam, sold under the brand name Ativan among others, is a benzodiazepine medication. Intravenous diazepam or lorazepam are first-line treatments for convulsive . Potent benzodiazepines, such as lorazepam, alprazolam, and triazolam, have . So, it may be necessary to repeat diazepam doses to maintain peak.