Wendell you are not alone...........
Larry, you have some good pharmacists. (I'm married to one) I have done similar with prescribing as you stated but was told "we can't tell you until you write the prescription and try it". There is such a shortage of pharmacists in our area they travel in and just do not care. If there isn't a quick and easy fix,then the problem just gets dropped back on the prescriber.
I have had several replies from the pharmacy stating that a cephalexin tablet is not covered, please write for capsule. COME ON, just change it. I called a pharmacist about this and he said it was due to an automated computer issue and the tech sent it back to me as the prescriber. SO some of the name brand/generic issues may be due to an issue with automated computer responses and staffing problems.