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Information About Antibiotic Use
How healthcare providers decide if you need antibiotics:
Antibiotics are used to fight infections that are caused by bacteria. Your healthcare provider will decide if your illness is caused by bacteria. This decision is based on an exam, your symptoms, or tests that check for bacteria. If your healthcare provider decides your infection is caused by bacteria, you may be given an antibiotic. Sometimes your healthcare provider may wait to prescribe antibiotics. This is called watchful waiting. Watchful waiting gives your immune system time to fight the infection without antibiotics. This can help prevent antibiotic resistance.
What you need to know about antibiotic resistance:
- Antibiotics do not always kill all the bacteria causing an infection. Bacteria that survive will be stronger and may become resistant to antibiotics. This means that antibiotics will not work to kill these stronger bacteria like they should. Certain infections can then develop, called antibiotic-resistant infections. An example of an antibiotic-resistant infection is methicillin-resistant Staphylococcus aureus (MRSA).
- Antibiotic resistance can happen when antibiotics are overused or not taken correctly. The following are examples of how antibiotics are overused or not used correctly:
- You take an antibiotic for a viral infection.
- You take an antibiotic instead of letting your body fight the infection on its own.
- You do not finish your antibiotic prescription as directed.
- Antibiotic resistance makes infections hard to treat. If you get an infection that is resistant to antibiotics, you may become very sick. You may spread the infection to others. You will need stronger medicine to treat the infection. Your illness may become life-threatening.
How healthcare providers decide if you need antibiotics while you are in the hospital:
Your healthcare provider may start you on antibiotics after blood is drawn for tests. Once the test results are known, your healthcare provider may change the antibiotic. He or she may stop giving you the antibiotic if your infection is caused by a virus.
What you need to know about antibiotics:
- Antibiotics do not work for viral infections. A virus cannot be killed by antibiotics. You can treat signs and symptoms, such as a cough or fever, until the infection clears.
- Antibiotics will not cure a bacterial infection or make you feel better sooner. They will kill the bacteria, but it will still take time for the infection to clear. It may take several days for you to feel better. You may instead feel better in a few days. Take all of the antibiotics you were prescribed, even if you think they are not helping or you start to feel better sooner.
- Antibiotics will not prevent the spread of infection. Your healthcare provider will tell you when you are no longer contagious after you start taking antibiotics. This will depend on the kind of bacteria causing your infection.
Side effects of antibiotics:
- All medicines can cause side effects. Tell your healthcare provider if you have had side effects from other medicines. Also tell your provider if you are allergic to any medicines. Antibiotics commonly cause side effects such as an upset stomach, a rash, and diarrhea.
- Antibiotics remove the bacteria causing infection in your body, but they also remove some good bacteria. Antibiotics can put you at risk for severe diarrhea caused by Clostridium difficile (C. diff). C. diff bacteria can grow while you are taking antibiotics. The risk for C. diff diarrhea can last for a few weeks, even after you have stopped taking antibiotics. C. diff diarrhea can become life-threatening. Tell your healthcare provider if you have diarrhea while you are taking antibiotics. Also, tell him or her if you have diarrhea after you have finished taking antibiotics.
How to prevent a C. diff infection while you are taking antibiotics:
Ask about probiotics. Probiotics are also called good bacteria. They can help protect you from harmful bacteria. If you develop more than one C. diff infection, probiotics may help prevent more infections. Ask your healthcare provider if probiotics are right for you. You may be able to eat yogurt or other foods high in probiotics. Your provider may instead recommend a pill or liquid form.
Conditions that are treated with antibiotics:
The following conditions are often caused by bacteria and treated with antibiotics:
- Strep throat
- Whooping cough
- A urinary tract infection (UTI)
Conditions that may be treated with antibiotics:
Some conditions can be caused by bacteria or a virus. Your healthcare provider may or may not treat the following conditions with antibiotics:
- A sinus infection
- An ear infection
Conditions that are not treated with antibiotics:
Antibiotics will not treat infections caused by a virus. The following conditions are not treated with antibiotics:
- Most coughs
- A sore throat other than strep throat
- Respiratory syncytial virus (RSV)
Questions to ask your healthcare provider:
- Do I need an antibiotic to treat my infection?
- Is watchful waiting right for me?
- What is the best antibiotic to treat my infection if I do need one?
- What are the side effects of the antibiotic I need to take?
- How long do I need to take the antibiotic?
What you can do to help prevent antibiotic resistance:
- Take your antibiotic as directed. Do not skip a dose of your antibiotic. Do not stop taking your antibiotic, even if you feel better. Finish the entire course of your antibiotic unless your healthcare provider tells you to stop.
- Get rid of any unused antibiotics. Ask your healthcare provider or pharmacist how to get rid of unused antibiotics. Do not share your antibiotic with another person. Do not take a leftover antibiotic for another illness without talking to your healthcare provider.
- Ask about vaccines that you need. Vaccines can help prevent infections. Get a yearly flu vaccine as soon as it becomes available. Ask about other vaccines you may need, such as vaccines to prevent pneumonia or meningitis.
- Wash your hands often to prevent the spread of infection.
- Never ask your healthcare provider to prescribe antibiotics. Your healthcare provider can recommend other treatments based on your illness. An example includes over-the-counter medicines such as acetaminophen or NSAIDs.
Seek care immediately if:
- You have skin blisters or burning.
- You have trouble breathing, swelling in your mouth or throat, or a rash that spreads over your body.
- You have diarrhea that contains blood.
- You have severe stomach cramps.
- You have sores or white patches in your mouth.
Contact your healthcare provider if:
- You have mild to moderate nausea, an upset stomach, or diarrhea.
- You have a mild rash or other skin problems.
- You have questions or concerns about your condition or care.
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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.
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