Micromedex (Merative Micromedex) This link opens in a new windowMicromedex supplies evidence-based drug and clinical information including toxicology, diseases, acute care, and alternative medicine. Includes a calculators tab with 22 separate dosing, laboratory value, antidote, and measurement calculators, and tabs for Trissel's 2 IV compatibility, drug identification with images, comprehensive drug interaction checking, and Tox & Drug Product Lookup for quick substance identification.