Antibiotics

Antibiotics Antibiotics are chemical substances produced by micro-organisms,which have the capacity , in dilute solution, to inhibit the growth of and even to destroy bacteria and other micro-organisms with the exception of viruses. Each antibiotic is characterised by a specific antimicrobial spectrum or range of activity against different bacteria and other microorganisms. Antibiotics vary greatly in their physical and chemical properties and in their mode of action upon bacteria and other microorganisms. Because of these characteristics,some antibiotics have remarkable chemotherapeutic potentialities and can be used for the various microbial infections in man and in animals. The many types of antibiotics have both advantages and disadvantages but first we will look at the advantages. Antibiotics have revolutionized medical practice. Among the various antibiotics that have found extensive application as chemotherapeutic agents ,the penicillin, the streptomycin,chloraphenical,the tetracyclines and erythromycin are used in great quantities. One famous antibiotic that has found extensive application in the treatment of infections caused by the staphylocci namely osteomyelitis, antibiotics, infections, bacteria, treatment, microorganisms, found, caused, antibiotic, various, penicillin, negative, man, growth, extensive, effective, drug, chemotherapeutic, chemical, certain, application, advantages, wonder, while, viruses, virus, viral, veterinary, vary, variety, upon, universal, types, tubercolosis, threatens, tetracyclines