Antibiotic Resistance In Bacteria Essay

676 words - 3 pages

For about 50 years, antibiotics have been the answer to many bacterial infections.Antibiotics are chemical substances that are secreted by living things. Doctors prescribed thesemedicines to cure many diseases. During World War II, it treated one of the biggest killersduring wartime - infected wounds. It was the beginning of the antibiotic era. But just whenantibiotics were being mass produced, bacteria started to evolve and became resistant to thesemedicines.Antibiotic resistance can be the result of different things. One cause of resistance couldbe drug abuse. There are people who believe that when they get sick, antibiotics are the answer.The more times you use a drug, the more it will decrease the effect it has on you. That isbecause the bacteria has found a way to avoid the effects of that antibiotic. Another cause ofresistance is the improper use of drugs. When patients feel that the symptoms of their diseasehave improved, they often stop taking the drug. Just because the symptoms have disappeared itdoes not mean the disease has gone away. Prescribed drugs should be taken until all themedicine is gone so the disease is completely finished. If it is not, then this will just give thebacteria some time to find a way to avoid the effects of the drug.One antibiotic that will always have a long lasting effect in history is penicillin. This wasthe first antibiotic ever to be discovered. Alexander Fleming was the person responsible for thediscovery in 1928. In his laboratory, he noticed that in some of his bacteria colonies, that he wasgrowing, were some clear spots. He realized that something had killed the bacteria in theseclear spots, which ended up to be a fungus growth. He then discovered that inside this mold wasa substance that killed bacteria.It was the antibiotic, penicillin.Penicillin became the most powerful germ-killer known at that time. Antibiotics killdisease-causing bacteria by interfering with their processes. Penicillin kills bacteria by attachingto their cell walls. Then it destroys part of the wall. The cell wall breaks apart and bacteria dies.After four years, when drug companies started to mass produce penicillin, in 1943, thefirst signs of penicillin-resistant bacteria started to show up. The first bacteria that...

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