However, not all online pharmacies have been reviewed. If you have a heart condition. And not all online pharmacies have the capability to safely ship medications that need to be temperature-controlled, such as insulin. Getting medication from them could be dangerous and costly because the medication might be fake, diluted, or out-of-date. There are good, bona fide businesses out there, but there are also “rogue” sites; online pharmacies really pretend pharmacies that are out to scam you. It can also increase the risk of fainting. The key is to find an Internet drugstore that is legal, safe, and meets your needs, such as convenience and pricing.GO TO PHARMACY. The total price includes shipping fees which typically cover an entire order, making it more economical to purchase multiple medications in the same order. . Express Scripts, Medco, and Caremark (which is owned by CVS) are mail-order pharmacy companies. Purchasing from them, through your insurer, is as safe as using your local . Compare prices and print coupons for Prozac (Fluoxetine) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $