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Public Services Division

MeSH Headings [mh]

NOTE: Also consider using MeSH Major Headings [majr] when allowed to narrow retrieval to articles where that heading is the main point or focus of the article.

Anesthesia and Analgesia. A state characterized by a loss of feeling or sensation; methods of pain relief that can be used with or in the place of Analgesics.

Biological Factors. Endogenously-synthesized compounds that influence biological processes not otherwise classified under Enzymes; Hormones or Hormone Antagonists.

Biological Products. Complex pharmaceutical substances, preparations, or matter derived from organisms usually obtained by biological methods or assay. Also see more specific terms also such as: Antitoxins, Plant Preparations, and Vaccines.

Chemical and Drugs. Category is the very broad hierarchal term for all chemicals and drugs.

Clinical Trials as Topic for articles about clinical trials in general. Consider using Clinical Trial[pt] as a publication type for individual trials

Drug Administration Routes. Various ways of administering a drug or other chemical to a site in a patient or animal from where the chemical is absorbed into the blood and delivered to the target tissue.

Drug Hypersensitivity. Immunologically mediated adverse reactions to medicinal substances used legally or illegally; also known as drug allergy.

Drug Industry. Commercial enterprises devoted to the design, development, and manufacture of chemical products for use in the diagnosis and treatment of disease, disability, or other dysfunction, or to improve function; also known as the pharmaceutical industry.

Drug Interactions. The action of a drug that may affect the activity, metabolism, or toxicity of another drug, food, or herb.

Drug Therapy. The use of drugs to treat a disease or symptoms.

Formularies as Topic. Lists of drugs or collections of recipes, formulas, and prescriptions for the compounding of medicinal preparations and less authoritative than Pharmacopoieas as Topic.

Nonprescription Drugs. Medicines that can be sold legally without a drug prescription or over the counter drugs. Pharmacological Actions. A broad category of chemical actions and uses that result in the prevention, treatment, cure or diagnosis of disease. Included here are drugs and chemicals that act by altering normal body functions. See Pharmacological Action [PA] discussed below for a drug or chemical’s specific actions.

Pharmacology. The specialty or study of the origin, nature, properties, and actions of drugs and their effects on living organisms.

Prescription Drugs. Medicines and drugs that can't be sold legally without a prescription.

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