Dictionary » D » Drug

Drug

Definition

noun, plural: drugs

(1) Any chemical substance administered for therapeutic purposes, diagnosis, prevention of diseases, and relieving symptoms

(2) A chemical substance that is intended to alter a biochemical process for a particular purpose

(3) A psychoactive substance


Supplement

A drug is a chemical substance that is administered or taken to incite a biological effect in the body of an organism. It may be pharmacological in nature (used for health-related purposes) or recreational (which are mostly psychoactive). Drugs render biological effects depending on their composition, dosage, and route of administration. Some of them contain a single active ingredient whereas others are a mix of various chemicals in a single unit. The ingredients may be synthesized or derived biologically (e.g. herbal, marine-derived, animal-derived, microbial, genetic engineering, etc.) or chemically. Drugs for medical purposes can also be classified based on their biological effects: antipyretics, analgesics, antibiotics, antiseptics, hormone replacements, oral contraceptives, stimulants, tranquilizers, statins, etc.


Word origin: Middle English drogge (medicine)

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Results from our forum


antibiotic overuse ???

... game, causing the patient considerable pain and perhaps even costing their lives. Also, and this is the important point...after EVERY use of the drug, there must be ongoing monitoring to ensure its the right drug and at the right strength, taken for long enough to kill the germ. i.e. hit it hard ...

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by androspandros
Thu Sep 18, 2014 8:43 am
 
Forum: Human Biology
Topic: antibiotic overuse ???
Replies: 3
Views: 1348

Re: Any ideas for vaccine development or anti-viral drugs???

Happens I have this handy. Following are citations of Ebola or Marburg filovirus drug development using Morpholino antisense oligos. Enjoy. -------------------------------------- Enterlein S, Warfield KL, Swenson DL, Stein DA, Smith JL, Gamble CS, Kroeker AD, Iversen ...

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by jonmoulton
Mon Sep 15, 2014 3:04 pm
 
Forum: Cell Biology
Topic: Any ideas for vaccine development or anti-viral drugs???
Replies: 2
Views: 3909

Molecular medicine: antisense

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by jonmoulton
Thu Mar 06, 2014 4:19 pm
 
Forum: Molecular Biology
Topic: Molecular medicine: antisense
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Views: 810

Review of exon skipping for human therapeutics

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by jonmoulton
Mon Nov 04, 2013 8:51 pm
 
Forum: Molecular Biology
Topic: Review of exon skipping for human therapeutics
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Views: 1085

Re:

... medical staff would need to accelerate the infection sometimes (adding bio-agent) and brake the infection at other times (adding anti-bio-agent drug). And the bacteria is supposed to kill the tumor cells? Some of them, the ones which are in hypoxic tumour cores, sure it can kill those ones and ...

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by PeterDow
Mon Oct 28, 2013 12:28 pm
 
Forum: Human Biology
Topic: My “Eureka” moment. A cure for cancer.
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