This is actually an incredibly complicated question, predominantly because Xanax (alprazolam) doesn’t actually make everybody who takes it tired. I have panic attacks all the time my doctor have me talking 0.5mg of Xanax I am still having them bad sometimes I will take 2 at a time and it still happen maybe I should be taking 2mg instead I don't know what to do. When I have them my heart rate goes up as far 145. Anyone has any suggestions for me. And it very scary when they come on sometimes it's back to back. Xanax and Valium are in the same drug class, so they have many of the same interactions with other drugs and substances. Medications that affect your central nervous system can be dangerous when. Xanax had no effect? i tryed taking xanax for the first time in my doctors office - it was to practice for taking it for a dental procedure as i am phobic about dentists. anyway, it just had no effect on me at all. Stupidity is written all over this post,xanax is meant to calm person down in a fast way from anxiety/panic,yet if you arent in such situation you wont feel much,more like placebo effect,since theres no danger or anxiety for meds to work on. This is very sensitive so please send me a private comment with answers if you feel. I don’t want what wiki says or webMd says it does, I want to find out what non prescription effects people are getting off these pills. Why Xanax works but Kpins have no effect on me Not sure if this is the right place, and I apologize if its not, so MODS feel free to move if necessary. Here's my dilemma: last week I picked up 40.5mg Klonopins. Added 16 Sep 2011: My doctor did change me to xanax and it helps a whole lot. I do still have a question though. I am taking 1mg as needed 2 times daily for anxiety but only was prescribed 10 with 2 refills and really the only time I need it desperately is when I have severe stress. I just had a Xanax for the first time today and it had no effect on me whatsoever and I have no experience with benzo's at all, so I'm pretty sure I'd notice an effect. Then I found it was expired. I ingested it over 4 hoers ago, with not even slightest effects showing, so I am thinking of taking how does xanax make YOU feel?. but i take only what i need and no more. I have been on xanax for 20 years off and on, right now i take it when needed, the 0.25 i have had gad most of my adult life and as a teenager also. Rough childhood like many others, my mom was bipolor but it was not ever diagnoised and she lived a very sad life. I also was on paxil for 15 years, took myself off and it.