A trusted drug reference delivers evidence-based guidance, clinical perspectives, and therapeutic recommendations with detailed safety alerts and off-label uses. Featuring updated content on specialty medications, emerging therapies, and pharmacogenomics, it supports optimal patient care and informed medical practice.

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.