With new and extensively updated information on everything from current treatment guidelines to off-label uses, AHFS Drug Information® 2026 Edition is a necessary addition to your pharmacy's resources. It is the most comprehensive evidence-based source of drug information complete with ongoing updates of therapeutic guideline recommendations, important cautionary information, and other timely and relevant topics related to drug therapy management.

AHFS® DI™ is federally recognized as an official compendium for establishing drug use standards, the only compendium published by a professional and scientific society, and is the drug information reference trusted by pharmacists and other healthcare professionals for over 60 years.