
Let's start with the one I consider the most important free medical Iphone application:
Epocrates Rx (r) for Iphone:
This Iphone application was developed and is constantly updated by Epocrates Inc. to be one of the best Drug References for the iphone.
It has a comprehensive list of Drugs by Generic name, commercial brands, etc.
Every drug has its Adult Dosing, Peds Dosing (if available), Black Box Warnings, Contraindications/Cautions, Adverse Reactions, Safety Monitoring, Pharmacology, Manufacturer/Pricing, Pill Pictures and Interactions.
The best of all features is the Multicheck tool which checks for interactions between multiple drugs.

The free Epocrates Rx (r) even comes with MedMath which has a series of useful medical calculators that include Body Mass Index, Winters' Formula, Pregnancy Wheel, Corrected Qt and many more...
I could not possibly live without this free medical app for the Iphone.
The site for the product mentioned here is:
http://www.epocrates.com/company/news/031408.html
Or you can visit my site:
CNS Diseases Review
I could not possibly live without this free medical app for the Iphone.
The site for the product mentioned here is:
http://www.epocrates.com/company/news/031408.html
Or you can visit my site:
CNS Diseases Review