The sites that feature diabetes meds top the list, with Merck’s Januvia garnering the No. 1 ranking and Takeda Pharmaceutical’s Actos finishing second, according to Manhattan Research, which says it conducted an online survey in this year’s second quarter of 1,681 docs practicing in the US.

Interestingly, the research firm says that more docs are visiting sites for controversial drugs - Pfizer’s Chantix smoking-cessation pill and Merck’s Gardasil vaccine for HPV. Actos, by the way, crashed the list for the first time, perhaps reflecting the problems with a rival diabetes pill, Glaxo’s Avandia.

1. Januvia
2. Actos
3. Chantix
4. Gardasil
5. Actonel
6. Vytorin
7. Amitiza
8. Byetta
9. Avandia
10. Aciphex

Here’s the press release…