name) Category index (for example, "antibiotics") Generic/chemical index (non-trademark common drug names) Color images of medications Product information, consistent with FDA labeling Chemical information Function/action Indications & Contraindications Trial research, side effects, warnings Related references The PDR has several versions and related volumes: PDR PDR for Nonprescription Drugs, Dietary Supplements, and Herbs PDR Drug Interactions and Side Effects Index PDRhealth—Version in lay terms. PDR Family Guide to Over-the-Counter Drugs—Lay term guide to non-prescription medication. PDR for Ophthalmic Medicines PDR Drug Guide for Mental Health Professionals PDR for Herbal Medicines References External links PDR – Physicians' Desk Reference—Facebook Online version PDR.Net—online version, free consumer drug and medical information site. Medical manuals Thomson Reuters Pharmacology literature