Pharma review sites

In the past I have written about drug review sites like iGuard.org. Social/digital pharma blogger extraordinaire Jon Richman recently wrote a post about "The Best Pharma Products According to Patients" on Dose of Digital. He provides deep analysis about iGuard in particular which has over 2 million users at this point. Briefly though the 4 sites he has been tracking are:

It's good to know about these sites if you're in the industry and what to know what people are saying about your product(s). Take a look.