This is from August generic (brand name might be $600/mo):
Drug Pharmacies:
Albertsons: 458.99
Costco: 44.75
CVS: 483.99
Duane Reade: 572.00
Giant Eagle: 622.00
Hy-Vee: 587.99
Kmart: 53.63
Kroger: 545.69
Meijer: 245.29
Publix: 456.95
RIte-Aid: 504.99
Safeway: 484.99
Sams: 497.50
ShopRite: 299.39
Target: 497.50
Wegmans: 549.99
Winn-Dixie: 348.95
Two other local independent pharma's reported $286.32 and $78.42
So.........you might want to shop your drugs and especially if you have to pay for them totally. Looks like Costco and Kmart are very friendly.
This is from latest edition of Paactnewsletter, interesting especially if you have to use this drug.