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  1. Drugs.com – Know More. Be Sure.

    Drugs.com is the most popular, comprehensive and up-to-date source of drug information online. Providing free, peer-reviewed, accurate and independent data on more than 24,000 …

  2. Drug - Wikipedia

    Uncoated aspirin tablets, consisting of about 90% acetylsalicylic acid, along with a minor amount of inert fillers and binders. Aspirin is a pharmaceutical drug often used to treat pain, fever, and …

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

    Dec 26, 2025 · Pharmacology, the science of drugs, deals with all aspects of drugs in medicine, including their mechanism of action, physical and chemical properties, metabolism, …

  4. 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 …

  5. WebMD's A to Z Drug Database

    Drugs & Medications A-Z Your trusted source of information for prescription drugs and medications

  6. Types of Drugs | Classifications & Common Examples Explained

    Aug 25, 2025 · Explore the different types of drugs—including stimulants, depressants, hallucinogens, opioids, cannabinoids, inhalants, and more—learn their effects, legal …

  7. Drugs, Herbs and Supplements - MedlinePlus

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

  8. RxList - The Internet Drug Index for prescription drug information ...

    Medications and prescription drug information for consumers and medical health professionals. Online database of the most popular drugs and their side effects, interactions, and use.

  9. Substance Use Disorder - Causes, Symptoms, Treatment & Help

    Aug 12, 2025 · Substance Use Disorder Treatment Learn about community-based substance use disorder treatment, and recovery support services for individuals and families in every …

  10. Drugs and Supplements - Mayo Clinic

    Look up information about prescription drugs, over-the-counter medications, herbs, vitamins and supplements.