The reason is because I have a lot of anxiety and I am also taking topamax. I am also on gabapentin and I am having a lot of anxiety from that. It's not a cure but it helps. I don't know how I would cope if I didn't take. It is important to know why we are taking Xanax 1mg, just like it is important to know your reasons for taking it. We may be using it as a medication or possibly as a treatment tool Xanax 1mg is an anti-anxiety medication. It is used to treat panic attacks, but is also used to treat anxiety associated with depression.​