MPR's up-to-date drug database is now available on the Android as a free medical drug reference app. It's free to use, but registration is required.
MPR (Monthly Prescribing Reference) provides concise prescription and OTC drug information for medical professionals.
* Over 4,000 concise monographs (Rx and OTC)
* Listed by Brand and Generic name
* Search by therapeutic category, brand, generic, disease, or manufacturer
* Updated frequently
* Over 30 medical calculators
You can find it on the Android Market by searching for "MPR."