The FDA has previously approved medical devices - including prosthetics - that have been 3D printed. The new drug, dubbed Spritam, was developed by Aprecia Pharmaceuticals to control seizures brought on by epilepsy. The company said that it planned to develop other medications using its 3D platform.
FDA Approves First Pill Made by 3D Printing - Web MD
The Hype Behind Printable Pills - Manufacturing Net (video)
FDA’s approval of first 3-D-printed pill opens up endless possibilities for personalized medicine - Washington Post