Brief Answer:
The xanax bar is a white rectangular 2 mg dose preparation of alprazolam

Detailed Answer:
Hi XXXX,
Thanks for writing in to us.

I have read through your query in detail.
Please find my observations below.

1. Xanax is alprazolam medicine and is available in many doses and shapes.

2. The xanax bar which you have inquired about is the 2 mg white rectangular bar with three scores on either surface and having imprint 2 on one side and xanax on the other.

The exact picture of the xanax 2 mg bar is found at the link below
http://www.drugs.com/imprints/x-ana-x-2-7040.html

Please check and confirm with your pharmacy before making a purchase and consuming it.

3. Other preparations of xanax in different shapes is as below
(i) Xanax 1 mg which is blue elliptical or oval
(ii) Xanax 0.5 mg which is orange elliptical or oval
(iii) Xanax 0.25 mg which is white elliptical or oval
(iv) Xanax XR 3 mg which is green three sided extended release preparation
(v) Xanax XR 2 mg which is blue round extended release preparation
(vi) Xanax XR 1 mg which is yellow four sided extended release preparation
(vii) Xanax XR 0.5 mg which is white five sided extended release preparation

Hope this answers your question. Please feel free to correct any oversight in my interpretation of your problems and discuss them in detail as per your requirements.

Hope your query is answered.
Do write back if you have any doubts.

Regards,
Dr.Vivek

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