You might try calling Wal-Mart/Sam's headquarters, as they would likely have a common drug list for the pharmacies.
Another option would be to ask at your local hospital pharmacy.
Moderator - Prostate Cancer(Not a medical professional)
My adjuvant IGRT journey (2010) - www.healingwell.com/community/default.aspx?f=35&m=1756808
HT (Lupron) 6-mo injection 9/12