Book excerpt: This quick-reference handbook provides vital information on thousands of clinically significant drug-drug, drug-drug class, drug-herb, and drug-food interactions in an easy-to-use, consistent format that includes nursing considerations. Entries are organized alphabetically and include risk ratings based on Facts and Comparisons data; onset, severity, cause, and effect of the interaction; and specific, practical nursing interventions for fast action. Alert icons throughout the book highlight potential dangers. (Midwest).