Antibiotic

antibioticsantibacterialtopical antibioticantibacterialsantibiotic therapyantibacterial agentsantibiotic treatmentanti-bacterialantimicrobialintravenous antibiotics
An antibiotic is a type of antimicrobial substance active against bacteria and is the most important type of antibacterial agent for fighting bacterial infections.wikipedia
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Antimicrobial

anti-microbialantimicrobialsantimicrobial agent
An antibiotic is a type of antimicrobial substance active against bacteria and is the most important type of antibacterial agent for fighting bacterial infections.
For example, antibiotics are used against bacteria and antifungals are used against fungi.

Bactericide

bactericidalbacteriocidalbacterial death
They may either kill or inhibit the growth of bacteria.
Bactericides are disinfectants, antiseptics, or antibiotics.

Penicillin

penicillinspenicillin Gpenicillin allergy
Sometimes, the term antibiotic which means "opposing life", based on Greek roots, anti: "against" and biotic: "life", is broadly used to refer to any substance used against microbes, but in the usual medical usage, antibiotics (such as penicillin) are those produced naturally (by one microorganism fighting another), whereas nonantibiotic antibacterials (such as sulfonamides and antiseptics) are fully synthetic. Alexander Fleming (1881–1955) discovered modern day penicillin in 1928.
Penicillin (PCN or pen) is a group of antibiotics, derived originally from common moulds known as Penicillium moulds; which includes penicillin G (intravenous use), penicillin V (use by mouth), procaine penicillin, and benzathine penicillin (intramuscular use).

Antiviral drug

antiviralantiretroviral therapyantivirals
Antibiotics are not effective against viruses such as the common cold or influenza; drugs which inhibit viruses are termed antiviral drugs or antivirals rather than antibiotics.
Antiviral drugs are one class of antimicrobials, a larger group which also includes antibiotic (also termed antibacterial), antifungal and antiparasitic drugs, or antiviral drugs based on monoclonal antibodies.

Bacteria

bacteriumbacterialEubacteria
An antibiotic is a type of antimicrobial substance active against bacteria and is the most important type of antibacterial agent for fighting bacterial infections. They may either kill or inhibit the growth of bacteria.
In developed countries, antibiotics are used to treat bacterial infections and are also used in farming, making antibiotic resistance a growing problem.

Antibiotic use in livestock

antibioticssubtherapeutic antibiotic useantibiotic growth promoter
"Antibacterials" include antiseptic drugs, antibacterial soaps, and chemical disinfectants, whereas antibiotics are an important class of antibacterials used more specifically in medicine and sometimes in livestock feed.
Antibiotic use in livestock is the use of antibiotics for any purpose in the husbandry of livestock, which includes treatment when ill (therapeutic), treatment of a herd of animals when at least one is diagnosed as ill (metaphylaxis), and preventative treatment (prophylaxis).

Medication

pharmaceuticalpharmaceuticalspharmaceutical drug
Antibiotic medications are widely used in the treatment and prevention of such infections.
Antibiotics, sympathomimetics, antihistamines, anticholinergics, NSAIDs, corticosteroids, antiseptics, local anesthetics, antifungals, cerumenolytic

Disinfectant

disinfectiondisinfectantsdisinfect
"Antibacterials" include antiseptic drugs, antibacterial soaps, and chemical disinfectants, whereas antibiotics are an important class of antibacterials used more specifically in medicine and sometimes in livestock feed.
Disinfectants are different from other antimicrobial agents such as antibiotics, which destroy microorganisms within the body, and antiseptics, which destroy microorganisms on living tissue.

Metronidazole

FlagylMetrogelMetro I.V.
(Metronidazole is effective against a number of parasitic diseases).
Metronidazole, marketed under the brand name Flagyl among others, is an antibiotic and antiprotozoal medication.

Antibiotic misuse

overuse of antibioticantibiotic overusemisuse of antibiotics or antimicrobials
Effectiveness and easy access have also led to their overuse and some bacteria have developed resistance.
Antibiotic misuse, sometimes called antibiotic abuse or antibiotic overuse, refers to the misuse or overuse of antibiotics, with potentially serious effects on health.

Alexander Fleming

Sir Alexander FlemingFlemingAlex Fleming
Alexander Fleming (1881–1955) discovered modern day penicillin in 1928.
His best-known discoveries are the enzyme lysozyme in 1923 and the world's first antibiotic substance benzylpenicillin (Penicillin G) from the mould Penicillium notatum in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.

Broad-spectrum antibiotic

broad-spectrumbroad spectrumBroad spectrum antibiotic
This involves the administration of a broad-spectrum antibiotic based on the signs and symptoms presented and is initiated pending laboratory results that can take several days.
A broad-spectrum antibiotic is an antibiotic that acts on the two major bacterial groups, gram-positive and gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria.

Antiseptic

antisepsisantisepticsgermicide
An antibiotic is a type of antimicrobial substance active against bacteria and is the most important type of antibacterial agent for fighting bacterial infections. Sometimes, the term antibiotic which means "opposing life", based on Greek roots, anti: "against" and biotic: "life", is broadly used to refer to any substance used against microbes, but in the usual medical usage, antibiotics (such as penicillin) are those produced naturally (by one microorganism fighting another), whereas nonantibiotic antibacterials (such as sulfonamides and antiseptics) are fully synthetic. "Antibacterials" include antiseptic drugs, antibacterial soaps, and chemical disinfectants, whereas antibiotics are an important class of antibacterials used more specifically in medicine and sometimes in livestock feed.
Antiseptics are generally distinguished from antibiotics by the latter's ability to safely destroy bacteria within the body, and from disinfectants, which destroy microorganisms found on non-living objects.

Pathogenic bacteria

bacterial infectionbacterial infectionsbacterial
An antibiotic is a type of antimicrobial substance active against bacteria and is the most important type of antibacterial agent for fighting bacterial infections.
Bacterial infections may be treated with antibiotics, which are classified as bacteriocidal if they kill bacteria or bacteriostatic if they just prevent bacterial growth.

Dental antibiotic prophylaxis

guidelinesPrevention
They have an important role in dental antibiotic prophylaxis where their use may prevent bacteremia and consequent infective endocarditis.
Dental antibiotic prophylaxis is the administration of antibiotics to a dental patient for prevention of harmful consequences of bacteremia, that may be caused by invasion of the oral flora into an injured gingival or peri-apical vessel during dental treatment.

Antimicrobial chemotherapy

chemotherapeutic agentchemotherapyanti-infective drug
However, both classes have the same goal of killing or preventing the growth of microorganisms, and both are included in antimicrobial chemotherapy.

Pneumonia

bronchopneumoniabronchial pneumoniaNecrotizing pneumonia
Antibiotics may be given as a preventive measure and this is usually limited to at-risk populations such as those with a weakened immune system (particularly in HIV cases to prevent pneumonia), those taking immunosuppressive drugs, cancer patients, and those having surgery.
Pneumonia believed to be due to bacteria is treated with antibiotics.

Common cold

coldcoldsnasopharyngitis
Antibiotics are not effective against viruses such as the common cold or influenza; drugs which inhibit viruses are termed antiviral drugs or antivirals rather than antibiotics.
Antibiotics, however, should not be used and there is no good evidence for cough medicines.

Appendicitis

acute appendicitisruptured appendixburst appendix
To avoid surgery, antibiotics may be given for non-complicated acute appendicitis.
Antibiotics may be equally effective in certain cases of non-ruptured appendicitis.

Amoxicillin

amoxycillinAmoxilAmohexal
Amoxicillin and Amoxicillin/clavulanic acid were the most frequently consumed.
Amoxicillin is an antibiotic used to treat a number of bacterial infections.

Antibiotic prophylaxis

antimicrobial prophylaxispreventionantibiotics
Antibiotic medications are widely used in the treatment and prevention of such infections.
Antibiotics can be effective in reducing the occurrence of such infections.

Amoxicillin/clavulanic acid

co-amoxiclavAugmentinamoxicillin-clavulanate
Amoxicillin and Amoxicillin/clavulanic acid were the most frequently consumed.
Amoxicillin/clavulanic acid, also known as co-amoxiclav, is an antibiotic useful for the treatment of a number of bacterial infections.

Acne

acne vulgariscystic acneAcne scarring
Topical use is also one of the treatment options for some skin conditions including acne and cellulitis.
Antibiotics and retinoids are available in formulations that are applied to the skin and taken by mouth for the treatment of acne.

Conjunctivitis

pink eyepinkeyeblepharoconjunctivitis
Where the site of infection is easily accessed, antibiotics may be given topically in the form of eye drops onto the conjunctiva for conjunctivitis or ear drops for ear infections and acute cases of swimmer's ear.
Most cases due to a bacterial infection also resolve without treatment; however, antibiotics can shorten the illness.

Vancomycin

Red man syndromeRed man syndrome (Drug eruption)Vancocin
Mice exposed to subtherapeutic antibiotic treatment (STAT)– with either penicillin, vancomycin, or chlortetracycline had altered composition of the gut microbiota as well as its metabolic capabilities.
Vancomycin is an antibiotic used to treat a number of bacterial infections.