Hi CB,
This is not the first time this question has come up. If I remember correctly one person couldn't get the generic form of the drug but check out the answer below from a pharmacist regarding its availability - she said it was still available.
http://en.allexperts.com/q/Pharmacy-1407/2008/5/Hyoscyamine-3.htm
The drug does seem to be available but it may take some more searching (for some reason). Note that it's available under several brand names (see below).
http://www.medicinenet.com/hyoscyamine-oral/article.htm
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