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  1. Drugs.com – Know More. Be Sure.

    Drug and health information, from pharmacists you can trust. Browse A-Z: drugs, treatments, conditions, drug classes or symptoms. Drugs.com is the most popular, comprehensive and up …

  2. Drug - Wikipedia

    Recreational drug use is the use of a drug (legal, controlled, or illegal) with the primary intention of altering the state of consciousness through alteration of the central nervous system in order to …

  3. Drugs, Herbs and Supplements - MedlinePlus

    Learn about the side effects, dosages, and interactions of prescription drugs, over-the-counter medicines, herbs, and supplements.

  4. Drug | Definition, Types, Interactions, Abuse, & Facts | Britannica

    Oct 16, 2025 · A drug is any chemical substance that affects the functioning of living things and the organisms (such as bacteria, fungi, and viruses) that infect them.

  5. WebMD Drugs & Medications - Medical information on …

    Answer your medical questions on prescription drugs, vitamins and Over the Counter medications. Find medical information, terminology and advice including side effects, drug …

  6. Drugs | FDA - U.S. Food and Drug Administration

    The Center for Drug Evaluation and Research (CDER) ensures that safe and effective drugs are available to improve the health of the people in the United States

  7. Drugs A to Z - National Institute on Drug Abuse (NIDA)

    Apr 10, 2025 · Drugs A to Z gives basic information on drugs with addictive potential, including how they are used, how they make people feel, and their health effects, including risk for …

  8. DRUG Definition & Meaning - Merriam-Webster

    The meaning of DRUG is a substance used as a medication or in the preparation of medication. How to use drug in a sentence.

  9. DrugBank Online | Database for Drug and Drug Target Info

    Access the world’s pharmaceutical knowledge database. Information on drugs, drug targets, and more, used by researchers and health professionals globally.

  10. Drug Fact Sheets - Get Smart About Drugs

    Aug 21, 2025 · Learn more about the history and effects of each of the drugs below with these neat, printable fact sheets (all PDFs) that can serve as handy resources that are easy to …