The penicillin is a first antibiotic that was founded in 1928 by a Scottish biologist named Sir Alexander Fleming at the time when he was doing some experiments on the influenza viruses. It found that a common fungus, Penicillium notatum that is helpful in controlling the development or kill some sorts of harmful bacteria.
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Nowadays, most antibiotics are synthetic and are generally chemically associated with natural antibiotics. Antibiotics play a vital role as they fight against infections, saving millions of lives, and are not harmful to normal cells of the body. However, they have their disadvantages as they kill healthy intestinal bacteria but also have some side effects such as stomach disturbance, nausea, diarrhea, and yeast infection.
When penicillin and other antibiotics were introduced, they were seen as miracle drugs because they worked quickly and appeared to be a response to all common diseases. Unfortunately, decades of overuse has led to more and more drug-resistant germs – bacteria that survive antibiotic treatment can then increase and transmit its properties of resistance to other bacteria.
While antibiotics are able to treat bacterial infections, they were often misused for viral infections, for instance, colds, flu, coughs, ear infections, and stomach flu.
Antibiotics are usually sprayed on fruits and vegetables and given to animals such as cattle, chickens, and pigs. Consequently, humans consuming small doses of antibiotics every day. The cumulative effect on bacteria of the healthy gut can not be underestimated.