The batches of the generic for Xanax, called alprazolam, made by a number of pharmaceutical companies, can vary in potency from 85% as potent as brand-name Xanax, to 110% as potent. There has to be more then one company making generic xanax. I would try the generic, and if it doesn't work, ask the pharmacy to try to get it from another company. In the future I will switch back eventually so if you know the best generic for Klonopin let me know what it is if you don't mind. I just bring up Xanax bc the first time I tried them they made me calmer and happier pretty quickly without making me really tired. Generic drug availability, manufacturer information, and patent status on Xanax Best known for developing Viagra, Pfizer even began selling its own generic version of the drug when its patent expired in 2017. Sun Pharmaceutical Industries Reported $3.6 billion in revenue in 2016 and saw a 68 percent increase in drug revenue, due in large part to its $4 billion buyout of rival Ranbaxy Laboratories. look for brand name instead of generic. my rx is for the generic, alprazolam. i found that it didnt take the edge off my anxiety at all, all it did was make me fall asleap. i was at work one day and started to have a panic attack i didnt have my rx with me. my boss is prescribed brand name xanax and she gave me one, it kicked in sooo fast and i. Mylan, as I stated in the best generic xanax thread, are FUCKING horrible and VERY weak. No wonder everyone bashes them. No wonder everyone bashes them. Thankfully, my awesome pharmacy Sav on doesn't even carry Mylan generics. XANAX is indicated for the management of anxiety disorders and the short-term relief of symptoms of anxiety in adults. XANAX is also indicated for the treatment of panic disorder in adults with or without a fear of places and situations that might cause panic, helplessness, or embarrassment (agoraphobia). Well I find that the most effective in stopping anxiety is made by Sandoz, that's if your referring to 2mg Xanax or bars as they are commonly referred to. Dosage and Administration Administration. Immediate-release preparations of alprazolam (i.e., conventional and orally disintegrating tablets, oral solution concentrate) are administered orally in divided doses.