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Drug Information from the National Library of Medicine

  • Drug Information Portal

    The Portal provides users a comprehensive gateway to information on more than 20,000 drugs (over 200,000 unique searchable drug names and their synonyms) not only from NLM but also from other U.S. government agencies. It covers drugs from the time they are entered into clinical trials through their entry into the U.S. marketplace. The Drug Portal touches on all related information resources at NLM to provide for a comprehensive view. It is intended as a "middle ground" resource which includes information for the consumer, health professionals, and researchers.

  • Drugs, Herbs and Supplements

    Learn about your prescription drugs and over-the-counter medicines from MedlinePlus, the National Institutes of Health's Web site for patients and their families and friends. Read about side effects, dosage, special precautions, and more. Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage, and drug interactions.

  • Pillbox

    Developed to aid in the identification of unknown solid dosage pharmaceuticals, Pillbox combines high-resolution images of tablets and capsules with appearance information (imprint, shape, color, etc.). It enables users to identify solid dosage forms based on physical criteria: imprint (characters or number printed on a medication), shape, color, size, and scoring. Users are shown thumbnail images of possible matches. These images are continually updated as the user enters additional information. Pillbox is designed for use by emergency physicians, first responders, other health care providers, Poison Control Center staff, and concerned citizens.

  • DailyMed

    DailyMed provides information about marketed drugs, including FDA labels (package inserts). It provides health information providers and the public with a standard, comprehensive, up-to-date, look-up and download resource of medication content and labeling as found in medication package inserts.

  • Dietary Supplements Labels Database

    The database links you to the information from the labels of over 4,000 dietary supplement products in the marketplace, including vitamins, minerals, herbs or other botanicals, amino acids, and other specialty supplements. It includes name, form, active and inactive ingredients, amount of active ingredient, manufacturer/distributor information, label claims, warnings, percentage of daily value, and additional label information. The database can be searched by product names, text terms found on product labels, specific dietary ingredients, and manufacturers.

  • RxNorm

    RxNorm provides normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software, including those of First Databank, Micromedex, MediSpan, Gold Standard Alchemy, and Multum. By providing links between these vocabularies, RxNorm can mediate messages between systems not using the same software and vocabulary. RxNorm files are available through the NLM download server.

  • LactMed

    The database Drugs and Lactation, or LactMed, responds to the increased prevalence of breastfeeding worldwide. Drugs in breast milk pose a potential risk to the breast-fed infant, and LactMed provides healthcare practitioners and nursing mothers with data and information on drugs to which breastfeeding mothers may be exposed, and the effects of those agents on nursing infants and on lactation. LactMed contains about 1,000 records on drugs, herbals and dietary supplements that also include a summary regarding use of the specified substance during lactation, potential alternative medications, and references that are linked to their respective PubMed records. LactMed is endorsed by the American Academy of Pediatrics.

  • LiverTox

    The LiverTox database provides researchers, physicians, and patients with up-to-date and comprehensive information about drug induced liver injury. It contains drug records with concise data on medications, herbals, and dietary supplements that can affect the liver. LiverTox also includes a case registry that allows users to submit relevant clinical cases to LiverTox and the U.S. Food and Drug Administration (FDA).