Antibiotics are medicines that treat bacterial infections. They can either kill or stop the growth of harmful bacteria. Antibiotics saved many people (also known as antibacterial). They can use these to treat respiratory tract infections, such as pneumonia, whooping cough, sepsis, or skin infections. Sometimes, people use antibiotics to prevent illness. Antibiotics are widespread before having to have bowel or orthopedic surgery. Unfortunately, antibiotics can have side effects, despite being so beneficial.

No antibiotics are effective for viral infections like the flu and colds, as well as most sore throats and coughs.

In some cases, they can even reduce life expectancy. These dangers make it essential to understand what medications are and how they affect you. Certain antibiotics can cause fatigue, sleepiness, or weakness. This side effect is rare but can cause serious problems. We’ll dive into the world of antibiotics to learn more about their history, benefits, and side effects. We will also discuss what to do if you feel tired from taking them. Finally, you will be able to determine if they are right and if you should stop taking them.

How Antibiotics Work

Antibiotics are used to kill or stop harmful bacteria from our bodies. It is not unusual for there to be bacteria. Our immune systems kick in to fight the bacteria and usually kill them as they multiply. The multiplying army of bacteria is generally defeated by white blood cells. Sometimes, however, the bacteria can overwhelm our immune system. Which may use to combat antibiotics. One of two ways antibiotics work is:

  1. Kills Bacteria: Penicillin, a bactericidal antibiotic, destroys the cell walls.
  2. It stops bacteria from multiplying. In addition, it prevents the formation of bacteria proteins by blocking their growth.

You must know that antibiotics can be used to treat many serious illnesses. However, they are not effective against viruses. COVID-19 and upper respiratory tract infections (URTIs), such as the common cold, or flu, will not be treated by antibiotics. To determine which medication is best, you must first determine if the illness is bacterial or viral. Coronavirus can also cause a bacterial infection. However, antibiotics cannot use to treat the coronavirus.

Different Types of Antibiotics

Antibiotics are not something that has been around for very long. Sir Alexander Fleming discovered penicillin in 1928. It was an accidental discovery. Fleming was a notoriously careless laboratory technician who had been testing the influenza virus. He was on vacation for two weeks but, upon his return, discovered that mold had grown on the staphylococcus cultures. The mold had stopped its growth. This unexpected breakthrough revolutionized medicine. The fatalities of bacterial meningitis and bacterial endocarditis were all known at the time. Which quickly treated all these illnesses once penicillin when was discovered. Since their discovery, this group of drugs has saved many lives. Penicillin-based antibiotics remain very popular today. Penicillin is the most commonly used antibiotic in the entire world. Amoxicillin, penicillin G, and amoxicillin are some of the most common penicillin-based antibiotics.

There are many different types of antibiotics, some still being developed today, which can apply over-the-counter creams, lotions, or ointments topically to treat skin infections. You can take antibiotics orally in liquids, tablets, capsules, or capsules. They can inject. Some antibiotics can treat multiple diseases, while others are more effective for specific bacteria. Some antibiotics target aerobic bacteria that require oxygen, while others target anaerobic bacteria that do not require oxygen. Because antibiotics work quickly, they can be instrumental. Some antibiotics can even start working in a matter of hours. It is crucial when you are dealing with a rapidly-spreading disease. You can see that antibiotics are a modern-day miracle drug because of their availability, convenience, and variety. We know that antibiotics can cause adverse reactions. Let’s look at some of its downsides.

What Antibiotics can make you tired and sleepy?

Antibiotics can cause fatigue. Some antibiotics are prescribed today and can cause this rare but potentially dangerous side effect. This is not yet known why some people feel fatigued. It could be due to a disruption in the biome of the digestive system, which can cause a change in nutrient absorption and dehydration. The body can become tired because the beneficial bacteria have been eliminated. All antibiotics can not cause fatigue. However, these are the top-ten antibiotics that can cause fatigue. It is rare for side effects like tiredness or sleepiness to occur. However, be aware if you feel tired or sleepy after administering these medications:

Side effects can occur with all medications, even antibiotics.

Talk to your doctor if you are prescribed antibiotics for bacterial infections.

  • digestive problems, such as nausea, diarrhea, and vomiting
  • Headaches
  • fungal infections
  • photosensitivity is a way to see how your skin reacts when exposed to ultraviolet light.
  • The allergic reaction can cause hives, rashes, shortness of breath, and anaphylaxis
  • Anxiety and depression

Possible interactions with antibiotics

To avoid drug interactions, your doctor must prescribe antibiotics to you. Certain antibiotics can interact with:

  • antihistamines
  • Blood thinners
  • diuretics
  • muscle relaxants
  • antifungal drugs
  • antacids
  • Anti-inflammatory drugs

Other medications which can cause fatigue

You may also be affected by other medications or treatments that can cause fatigue.

  • antihistamines
  • Use cough medication
  • pain drugs
  • chemotherapy
  • radiation therapy
  • heart drugs
  • antidepressants
  • Anti-anxiety Medicines
  • blood pressure medications

What should you do if your antibiotics make you tired?

Consider these things if you are considering taking a new medication that renders you sleepy.

  • Talk to your doctor about alternative medication or dosages
  • Avoid driving or other activities that require alertness until you understand the effects of your drug.
  • Avoid over-the-counter medicines that cause drowsiness.
  • Avoid alcohol and other substances which can cause fatigue
  • Healthy Sleep Habits and ensuring you get a good night’s sleep

Call your doctor if the fatigue persists or worsens within a few days after starting an antibiotic.

Your doctor may ask you to return for a follow-up to ensure that the antibiotic is safe for you.

The Case Against Antibiotics

Antibiotics can make you feel sleepy and have many other side effects. Each medication can have serious side effects. It is essential to evaluate whether the side effects can outweigh the benefits. These are some other side effects of antibiotics.

  • Digestive problems ( diarrhea, nausea, vomiting, and abdominal pain)
  • Headaches
  • Sensitivity towards the sun
  • Photosensitivity
  • Depression
  • Anxiety
  • Fungal infections such as yeast infections
  • Allergy; can be life-threatening, including rash, hives, and anaphylaxis.

Apart from the possible side effects, it is crucial to consider the overall health of people taking antibiotics. Antibiotics kill bacteria and can wipe out your entire body. Unfortunately, it (antibiotic) applies to both the bad and the good bacteria. As a result, your body is vulnerable to infection, which could lead to serious health problems.

Clostridium difficile, a bacterium that causes diarrhea, is one example. C. difficile can cause diarrhea and life-threatening colon inflammation because of the loss of routine, beneficial bacteria. In addition, your body may become resistant to antibiotics if you take them often. Remember that antibiotics are best for short-term use. Most people find that new good bacteria overgrows to balance their immune system. However, it would be best if you considered the long-term consequences of taking antibiotics. Your immune system is more vulnerable to long-term treatment. Therefore, choosing when and how often you take them in your life is best.

The Effects of Misuse & Overprescription

You must be aware of all risks associated with antibiotics if you plan on taking them. Over-prescription or misuse of antibiotics can lead to some common problems. These antibiotics are often prescribed too frequently. The number of bacterial infections is increasing due to the overuse and misuse of antibiotics. According to the CDC, more than 2.8 million infections each year are resistant to antibiotics. As a result, approximately 35,000 Americans die each year. Because of the bacterium’s better defenses, diseases have become resistant to antibiotics. Alexander Fleming was the one who discovered penicillin.

Follow the label and dosage instructions and only take antibiotics as prescribed. The FDA must approve the antibiotic. The surviving bacteria could develop resistance if you stop taking your medication before the illness is resolved, which will make the bacteria resistant to antibiotics in the future. You should not stop taking medicine if your symptoms improve. You should also pay attention to the time you take the medication and what foods and drinks you can consume while taking it. These instructions can help you determine if the medicine is working for you.

If you feel that antibiotics are inappropriate for your situation, don’t be afraid to ask your doctor questions and seek out alternative medications. Around 30% (47 million) of antibiotic prescriptions are unnecessary. Sometimes, bacterial infections resolve themselves. For many sinus infections and some ear infections, antibiotics are not necessary. A PharmD pharmacist might be able to help you find the right path. While pharmacists are not qualified to prescribe antibiotics, they can provide valuable information about side effects and dosage that may be helpful.


Antibiotics can be taken as a quick and effective treatment for bacterial infections. Some people may experience mild but not severe side effects like tiredness or weakness. If you feel that your antibiotic prescription is causing fatigue, talk to your doctor. You are unable to participate in daytime activities. A hostile work performance could impact your ability to drive safely. Call your doctor if you feel tired or haven’t felt better in the last few days. You may also visit your doctor if you feel tired. Only use antibiotics when necessary. It can be more dangerous than simply promising not to follow the label instructions.


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