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 prescription drugs, over-the-counter medicines & natural products.

Drug - Wikipedia
A drug is any chemical substance other than a nutrient or an essential dietary ingredient, which, when administered to a living organism, produces a biological effect. [1][2] Consumption of drugs can be via inhalation, injection, smoking, ingestion, absorption via a patch on the skin, suppository, or dissolution under the tongue.

Drugs & Medications A to Z - Drugs.com
Quickly and easily find your medication from our A to Z list of over 24,000 prescription and OTC drugs.

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

Drug | Definition, Types, Interactions, Abuse, & Facts | Britannica
Drug molecules may combine with receptors to initiate a series of physiological and biochemical changes. Receptor-mediated drug effects involve two distinct processes: binding, which is the formation of the drug-receptor complex, and receptor activation, which moderates the effect.

WebMD's Drugs, Vitamins & Supplements Database
Find detailed information on prescription drugs, OTC medications, vitamins and dietary supplements, including their uses, side effects, and interactions.

Drugs A to Z - National Institute on Drug Abuse (NIDA)
Community misused or used drugs chart in an A to Z listing. Basic information on drugs with addictive potential, including how they are used, how they make people feel, and their health effects, including risk for substance use disorder. Treatment options for substance use disorders related to these drugs are also included.

Substance abuse - Wikipedia
A person using an inhalant Substance misuse, also known as drug misuse or, in older vernacular, substance abuse, is the use of a drug in amounts or by methods that are harmful to the individual or others. It is a form of substance-related disorder. Differing definitions of drug misuse are used in public health, medical, and criminal justice ...

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.

Drugs, Herbs and Supplements: MedlinePlus
Learn about the side effects, dosages, and interactions of prescription drugs, over-the-counter medicines, herbs, and supplements.