A drug class is a group of medications that work similarly, have a similar chemical makeup, or treat similar conditions. (FDA and WHO classifications) Drug Classes. A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes. De Novo Classification Process (Evaluation of Automatic Class III Designation) Guidance for Industry and Food and Drug Administration Staff. Document issued on October 30, 2017. This database includes: a list of all medical devices with their associated classifications, product codes, FDA Premarket Review organizations, and other regulatory information. INTRODUCTION. Drug hypersensitivity reactions (DHR) include allergic, exaggerated pharmacologic, and pseudoallergic reactions to medications that result from an enhanced immunologic or inflammatory response. WHAT ARE DRUG CLASSIFICATION SYSTEMS? •A method for categorizing drugs into a series of numbers or “codes” •Simplifies the ability to identify the appropriate A drug recall is the most effective way to protect the public from a defective or potentially harmful product. A recall is a voluntary action taken by a company to remove a defective drug product. The Drug Evaluation and Classification Program is recognized by all fifty states in the U.S., Canada, Hong Kong, and the United Kingdom. Drug Schedules. Drugs, substances, and certain chemicals used to make drugs are classified into five (5) distinct categories or schedules depending upon the drug’s acceptable medical use and the drug’s abuse or dependency potential. The AHFS Pharmacologic-Therapeutic Classification System can be licensed from ASHP and a fee for commercial use may apply. Changes to the classification system are published each year coinciding with the release of each annual edition of the printed AHFS Drug Information.