Ativan on $4 listI am sure they deal with these questions regularly since they started their $4 list . costco. This program offers up to a 30-day supply of generic drugs on the current list of . . Anxiety Ativan (lorazepan) Valium (diazepam) Xanax (alprazolam) BuSpar (buspirone tab) *$4 Prescriptions; Clinics | Home Delivery | Medicare | Specialty Pharmacy . (10/9/07)- Wal-Mart pharmacies announced that it was adding seven new drugs to the list of drugs it sells for $4. 28 lorazepam 0. . 4 per... more