About...PENICILLIN? ??
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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). Penicillin antibiotics were among the first medications to be effective against many bacterial infections caused by staphylococci and streptococci. They are still widely used today, though many types of bacteria have developed resistance following extensive use.
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The first antibiotic discovered was penicillin.It was discovered by Alexander Fleming.Penicilin is obtained from Penicillium Notatum . Penicillin is used in medicine and also on various purposes.
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