Some of the most popular prescription drugs that recently became available in generic form are sold at the lowest prices at Costco and at the highest prices at CVS Caremark, according to an analysis by Consumer Reports.
Failing to comparison shop for drugs - such as generic Lipitor to lower cholesterol or generic Plavix to thin the blood - could result in overpaying by $100 a month or even more, depending on the drug, the report said.
The article will be available in the May issue of Consumer Reports.
Consumers may find good deals at local independent pharmacies, Consumer Reports said.
One of the big takeaway messages from the analysis is that the customer must ask the pharmacist for the best price, the publication said.
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