The Correct use of Antibiotics

By |2018-10-20T17:34:18+00:002 September, 2018|Categories: Blog|0 Comments

Antibiotics Antibiotics

Do you know that Alexander Fleming discovered penicillin, the first natural antibiotic, in 1928 and that sometimes the term antibiotic (which means “opposing life”) is used to refer to any substance used against microbes!?

What are antibiotics?

Antibiotics are a commonly prescribed type of medication that combat bacteria.

Antibiotics are powerful medicines that fight certain infections and can save lives when used properly.

They either stop bacteria from reproducing or destroy them.

Before bacteria can multiply and cause symptoms, the immune system can typically kill them. White blood cells (WBCs) attack harmful bacteria and, even if symptoms do occur, the immune system can usually cope and fight off the infection.

There are occasions, however, when the number of harmful bacteria is excessive, and the immune system cannot fight them all. Antibiotics are useful in this scenario.

There are several types of modern antibiotics, and they are usually only available with a prescription in most countries. Topical antibiotics are available in over-the-counter creams and ointments (OTC).

Correct use

Do not stop a course of antibiotics halfway through. When in doubt, approach you doctor for advice.

People usually take antibiotics by mouth. However, doctors can administer them by injection or apply them directly to the part of the body with infection.

Most antibiotics start combating an infection within a few hours. It is important to complete the whole course of medication to prevent the return of the infection.

Stopping the medication before the course has finished means that there is a higher chance the bacteria will become resistant to future treatments. This is because the ones that survive have had some exposure to the antibiotic and may consequently develop resistance to it.

An individual needs to complete the course of antibiotic treatment even after they see an improvement in symptoms.

Do not take some antibiotics with certain foods and drinks. Take others on an empty stomach, about an hour before meals, or 2 hours after. Follow the instructions correctly for the medication to be effective. People taking metronidazole should not drink alcohol.

Avoid dairy products when taking tetracyclines, as these might disrupt the absorption of the medication.

Resistance

There is concern that antibiotics are being overused, and that this overuse contributes toward the growing number of bacterial infections that are becoming resistant to antibacterial medications.

According to the Centers for Disease Control (CDC), outpatient antibiotic overuse is a particular problem. Antibiotic use appears to be higher in some regions, such as the Southeast.

Use of carbapenems, a major class of last-line antibiotics, increased significantly from 2007 to 2010.

Alexander Fleming, speaking in his Nobel Prize acceptance speech in 1945, said:

Then there is the danger that the ignorant man may easily underdose himself and by exposing his microbes to non-lethal quantities of the drug, make them resistant.”

As predicted almost 70 years ago by the man who discovered the first antibiotic, drug resistance is starting to become commonplace.

How do antibiotics work?

There are different types of antibiotic, which work in one of two ways:

  • A bactericidal antibiotic, such as penicillin, kills the bacteria. These drugs usually interfere with either the formation of the bacterial cell wall or its cell contents.
  • A bacteriostatic stops bacteria from multiplying.

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Side effects

Antibiotics commonly cause the following side effects:

  • diarrhea
  • nausea
  • vomiting
  • rash
  • upset stomach
  • with certain antibiotics or prolonged use, fungal infections of the mouth, digestive tract, and vagina

Less common side effects of antibiotics include:

  • formation of kidney stones, when taking sulphonamides
  • abnormal blood clotting, when taking some cephalosporins)
  • sensitivity to sunlight, when taking tetracyclines
  • blood disorders, when taking trimethoprim
  • deafness, when taking erythromycin and the aminoglycosides

Allergy

Some people may develop an allergic reaction to antibiotics, especially penicillins. Side effects might include a rash, swelling of the tongue and face, and difficulty breathing.

Allergic reactions to antibiotics can be immediate or delayed hypersensitivity reactions.

Anyone who has an allergic reaction to an antibiotic must tell their doctor or pharmacist. Reactions to antibiotics can be serious and sometimes fatal.

Uses

Antibiotics are not effectives against viruses.

A doctor prescribes antibiotics for the treatment of a bacterial infection. It is not effective against viruses.

If you have an infection, it is important to know whether it is bacterial or viral.

Viruses cause most upper respiratory tract infections, such as the common cold and flu. Antibiotics do not work against these viruses.

If people overuse antibiotics or use them incorrectly, there is a risk that the bacteria will become resistant. This means that the antibiotic becomes less effective against that type of bacterium, as the bacterium has been able to improve its defenses.

A doctor can prescribe a broad-spectrum antibiotic to treat a wide range of infections. A narrow-spectrum antibiotic is only effective against a few types of bacteria. Some antibiotics attack aerobic bacteria, while others work against anaerobic bacteria. Aerobic bacteria need oxygen and anaerobic bacteria do not.

In some cases, antibiotics may be given to prevent rather than treat an infection, as might be the case before surgery. This is called ‘prophylactic’ use of antibiotics. People commonly use these antibiotics before bowel and orthopedic surgery

Font: Medical News Today

You should always see a Doctor before taking antibiotics to make sure you really need them. Book your appointment a Turó Park Medical Center.

About the Author:

Turó Park is a private medical center in Barcelona that provides easy access to healthcare excelence for foreign residents, tourists and local spanish community.Our international team of medical & dental services are provided by 15 specialists. We are proud of our multicultural english-speaking doctors that really understand you: we understand your language, we understand your cultural diversity and, of course we understand your healthcare and medical needs.

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