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Antibiotic

Definition

noun, plural: antibiotics

Antimicrobial agent made from microorganisms, and can kill and inhibit the growth of microorganisms, especially those that are infectious or disease-causing


adjective

Of, relating to, or pertaining to antibiotic


Supplement

Antibiotics are chemotherapeutic substances that are capable of killing and inhibiting growth of specific microorganisms, such as infectious bacteria and fungi.

There are different kinds of antibioics, and are classified based on their mechanism of action (i.e. if on the cell membrane, cell wall, or metabolism), chemical structure, spectrum of activity (i.e. if targeting gram-negative or gram-positive bacteria), or by mode of administration (e.g. oral, intravenous, or topical).

Antibiotic treatments should be done in accord to the recommended dosage and duration in order to prevent antibiotic resistance. The latter is a condition in which the antibiotic has become less effective when the target bacteria acquire resistance to antibiotic effects.

Antibiotics are derived from microorganisms, such as fungi and bacteria. Therefore, the antimicrobial gastric juice is not considered an antibiotic.


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Results from our forum


Topical Antibiotic Use (Bactroban)

... of this. The impetigo also affected my bottom lip. -I was using antibacterial honey on my rash. Would quitting the honey and introducing another antibiotic (Bactroban) cause any issues? Too much antibacterial activity for my chin? -The ointment says to use a small amount, and that using too much ...

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by ari534
Thu Mar 26, 2015 12:16 am
 
Forum: Microbiology
Topic: Topical Antibiotic Use (Bactroban)
Replies: 0
Views: 58

Re: antibiotics vs antibacterial drugs..

... hard?" ok smartass, then why are the answers at 'ResearchGate' all over the map? From the top 'stackexchange' answer, it appears that "antibiotic" was originally coined by Waksman for substances produced by a microorganism which in low concentration inhibit the growth of some other ...

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by alQpr
Wed Feb 04, 2015 12:54 pm
 
Forum: Microbiology
Topic: antibiotics vs antibacterial drugs..
Replies: 4
Views: 7784

Bacteria w/ Antibiotic Treatment

I don't know why the patient died. But I think after the bacteria killed due to antibiotic, immune system rapidly clear the endotoxin.

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by josem
Tue Oct 07, 2014 8:49 pm
 
Forum: Microbiology
Topic: Bacteria w/ Antibiotic Treatment
Replies: 3
Views: 3110

Re: antibiotic overuse ???

So, you suggest antibiotics should be used more aggressively and precisely to destroy resistant bacterial species before they take hold? I agree with more precise use of antibiotics based on microbiological tests. If you leave a mild ...

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by boron
Thu Oct 02, 2014 7:24 am
 
Forum: Human Biology
Topic: antibiotic overuse ???
Replies: 3
Views: 4234

Re: antibiotic overuse ???

... ? Is more of a statement... To ensure that resistant bacteria is not allowed to grow inside a human body requires the administration of the right antibiotic, given early, and for a long enough period of time (hence my suggestion of monitoring of every antibiotic use). NOT (as suggested and what ...

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by androspandros
Mon Sep 29, 2014 3:31 pm
 
Forum: Human Biology
Topic: antibiotic overuse ???
Replies: 3
Views: 4234
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