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Impact of Antibiotics on Performance of Athletes

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It is seen that by killing necessary bacteria in the gut, antibiotics ravage athletes' motivation and endurance.

Medically reviewed by

Dr. Kaushal Bhavsar

Published At January 18, 2024
Reviewed AtJanuary 18, 2024

Introduction:

Antibiotics are the medicines prescribed to fight against bacterial infections in humans and animals. Their mode of working is by killing the bacteria or by making it difficult for the bacteria to survive. These medications can be taken by different means, for example, orally (by mouth in the form of pills or capsules), intravenously (by injectables), etc. When athletes take these medications, it is seen that their performance is affected in specific ways. Some of the complaints of decreased pace, diarrhea, rupture of tendon, etc.

What Are Antibiotics?

Antibiotics are the drugs prescribed to deal with bacterial infections. They work by either killing the bacteria or hindering their growth further. They can be taken orally or by injectables, as suggested by the doctor. The first antibiotic was discovered accidentally, known as (beta-lactam antibiotic). These days, most of the antibiotics are made in the laboratory. Most of the time, antibiotics are only available on the prescription of a doctor. They work by either killing the bacteria or hindering their growth further.

This action is achieved by means of attacking the wall or coating of the surrounding bacteria, interfering with the reproduction of the bacteria, or blocking the production of reproduction in bacteria. Antibiotics start working soon after they are taken. However, the time taken to heal after taking antibiotics may vary depending on the kind of infection it is taken for. Their complete dose must be taken as advised by the doctor. Even when people start feeling better in a few days, they must complete the entire regimen of the prescribed antibiotic.

Do Antibiotics Impact Performance in Athletes?

Antibiotics are the medications used to get rid of bacterial infections. When the body of a person is already using a lot of energy in fighting to deal with antibiotics in the system, there are a few symptoms that they can expect to show up in their athletic performance as well. Some of the impacts noticed by the athletes in their performances are :

  • Slower pace: When antibiotics are taken for any particular disease instead of a skin infection, athletes might complain of a decrease in their pace (or increase in their efforts at the same pace) due to the illness instead of the antibiotic. However, even athletes who take antibiotics for an infection of the skin have observed slower racing and training paces. This is probably true, however, that certain illnesses might lead to poor training and racing paces, too.

  • Dizziness and stomach upset: Most of the antibiotics cause diarrhea and stomach upset because of the bacterial changes that take place in the intestines and stomach. As the normal bacteria levels in the body are changing, the balance of the body is also disturbed. Diarrhea is not only irritating during an endurance event, but it can also be harmful as much more water is lost during diarrhea instead of solid bowel movements. As probiotics are found in yogurt with live cultures, they can help decrease the risk of diarrhea, which is caused by taking antibiotics in use. As fluid loss occurs through sweating, it causes increased sun sensitivity and diarrhea, dizziness, and fainting might be caused for the endurance athlete, as well as muscle cramping, fatigue, and headache. These issues are seen more frequently within the first two to three days after beginning the antibiotic use but do last longer in some cases, especially for athletes.

  • Tendon rupture: One of the frequent side effects of a few antibiotics is a ruptured tendon. The class of antibiotics with which tendon rupture is associated is called Fluoroquinolones, one of which is the antibiotic Levaquin, which is generally used. The issues linked with this type of antibiotic vary from pain and discomfort in the tendon to complete tears. However, tendons are mostly torn during sprinting and jumping. Long-distance runners who take this type of antibiotic should either avoid this exercise if it is necessary to be on the antibiotic or switch to a different type of antibiotic.

What If Antibiotics Use Is Important for Athletes?

If the use of antibiotics is very important and one has no intention of giving up a special goal race, then they must:

  • Make sure that they communicate with their coach, doctor, and support team out on the course:

  • The coach might recommend reducing their training load by about 25 percent, but ultimately, the decision to continue training or racing is up to athletes and their doctors.

  • It is important to have a support or backup team on race day to provide one with the extra water, electrolytes, and sun protection they might require.

  • Consider keeping a journal as one moves closer to race day. The tracking of fatigue levels and hydration needs during training runs might help to give a good picture of what will be the average status on race day.

Conclusion:

Antibiotics are the medication taken to fight against bacterial infections. These are given in various forms. When athletes are on antibiotics, certain studies have shown that it hinders their performance. Some complained of reduced pace, while others complained of diarrhea, more sweating, etc.

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Dr. Kaushal Bhavsar
Dr. Kaushal Bhavsar

Pulmonology (Asthma Doctors)

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