Final answer:
The reference book used for drug equivalents is the Physician's Desk Reference (PDR), also known as Physician's Desk Reference for Nonprescription Drugs, Dietary Supplements, and Herbs. Another valuable resource is the "Therapeutic Equivalence of Generic Drugs" published by the U.S. Food and Drug Administration (FDA). The EMA guideline on Investigation of Drug Interactions is also a valuable resource.
Step-by-step explanation:
The reference book used for drug equivalents is the Physician's Desk Reference (PDR), also known as Physician's Desk Reference for Nonprescription Drugs, Dietary Supplements, and Herbs. It is a comprehensive resource that provides information on prescription drugs, including their indications, dosages, interactions, and contraindications.
In addition to the PDR, there are other reference books used in the field of medicine, such as the "Therapeutic Equivalence of Generic Drugs" published by the U.S. Food and Drug Administration (FDA). This publication provides information on the therapeutic equivalence of generic drugs to brand-name drugs, helping healthcare professionals and pharmacists make informed decisions in prescribing and dispensing medications
Another valuable resource is the European Agency for the Evaluation of Medical Products (EMA) guideline on Investigation of Drug Interactions, which offers guidance on studying the potential interactions between different drugs.