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Doctor insights on: How Long After Antibiotics Is Strep Contagious

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How long after antibiotic is started is MRSA contagious?

MRSA treatment: I am not clear about the question. Mrsa may be found on a healthy skin, nose, ... Having the germ by itself is not going to be an infection. It is called colonization. When it is in the wound or circulation then that would be different. ...Read more

Dr. John Leander Po
1,117 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more


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How long are you contagious with strep after you have started taking amoxicillin?

How long are you contagious with strep after you have started taking amoxicillin?

Generally 24 hours: Once on the antibiotic for 24 hours is typically when schools allow students to go back to class, but i would also recommend reducing your exposure to others until the fever is gone and you start to feel better. ...Read more

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How long do I need to wait after antibiotics for a strep test to be accurate?

How long do I need to wait after antibiotics for a strep test to be accurate?

Antibiotics first?: If you are treated with antibiotics and then get strep testing your results may be negative. Prior to antibiotics, the rapid strep test takes 15 to 20 minutes to get a result and a culture can take 24 to 48 hours to get a result back. Good luck ...Read more

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How long does it take for bacterial contagious pinkeye to be gone, while using antibiotic eyedrops?

How long does it take for bacterial contagious pinkeye to be gone, while using antibiotic eyedrops?

Conjunctivitis: Antibiotic eye drops for "pink eye" or conjunctivitis are usually prescribed for a total of 7 days. However, complete improvement can be seen as early as 2 to 3 days after the start of antibiotics. ...Read more

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Docs, usually how long is strep throat contagious?

Docs, usually how long is strep throat contagious?

Contagious: You will be contagious until you have been on antibiotics for at least 24 hours and for up to 3 weeks if you are not treated with antibiotics. ...Read more

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For how long need one take the antibiotic ampicillin to rid the body of group strep b?

For how long need one take the antibiotic ampicillin to rid the body of group strep b?

10 days: Group b strep soft tissue infections are treated for 10 days of penicillins to achieve cure. Penicillin is given during labor until delivery to colonized women to prevent spread to the baby. ...Read more

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How long does strep throat stop being contagious?

How long does strep throat stop being contagious?

Treated vs not: Most accept 24 hours on meds as the point where someone is no longer contagious to others through passive contact. Untreated patients may be continuously contagious. ...Read more

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How long is pink eye contagious when using an antibiotic?

How long is pink eye contagious when using an antibiotic?

Discharge: You are contagious as long as you have any discharge, even with antibiotic ointment or drops. Don't touch or rub your eyes. Use a tissue to clear away any discharge, throw the tissue away, and wash your hands. When you wash your face and eyes, use a white hand towel to dry then bleach the towel. Change and wash your pillow cases daily. Sanitize your door knobs and purse to help prevent reinfection. ...Read more

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How long is pink eye contagious after starting antibiotic?

How long is pink eye contagious after starting antibiotic?

Viral or bacterial?: If your pink eye issue to a bacterial infection, you should no longer be considered contagious after 24-48 hours after starting the antibiotic drops. If, however, your pink eye is due to viral infection, you are likely to be contagious for as long as you are having symptoms. ...Read more

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How long after starting antibiotic is pink eye contagious ?

How long after starting antibiotic is pink eye contagious ?

It Depends: If the pink eye is caused by bacteria and the drops have effective antibiotics, then it is thought 24-48 hrs eliminates the contagion. Since the drops are ineffective for viral pink eye, as long as the eye is red, the infection is probably contagious. ...Read more

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How long is c-diff contagious if you are on an antibiotic to fix it? And what is considered diarrhea? Is mushy stool considered diarrhea?

How long is c-diff contagious if you are on an antibiotic to fix it?
And what is considered diarrhea? Is mushy stool considered diarrhea?

Until clear: C-diff is not very contagious if one follows routine hygiened measures by washing hands with soap and water ( the sanitizing gel won't do the job). However until the diarrhea has cleared completely, one should assume that it remains contagious until proven otherwise. If the mushy stool is not what you usually have, then it can still be considered diarrhea. ...Read more

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How long does it take the antibiotic ampicillin to get rid of group strep b?

How long does it take the antibiotic ampicillin to get rid of group strep b?

10 days: Group b strep soft tissue infections are treated with 10 days of penicillins for cure. Women in labor who are colonized with group b strep are treated with penicillin during labor until delivery to prevent infection in the baby. ...Read more

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How long is staph folliculitis contagious after beginning an oral antibiotic? The rash is not spreading and is fading, but still visible.

How long is staph folliculitis contagious after beginning an oral antibiotic?  The rash is not spreading and is fading, but still visible.

Not: Staph is generally everywhere. There are various types: staph albus common on skin. Staph aureus -yellow more pathogenic. Usually not contagious like a virus or some bacteria. Clean and cover area and unlikely to be able to infect someone else. ...Read more

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Strep throat, when will i no longer be contagious if it's been a week now?

Strep throat, when will i no longer be contagious if it's been a week now?

48 hours: You are not contagious after 48 hours from the start of your antibiotics. In rare instances if you have severe tonsillitis, the contagiousness could last a little longer, or if you develop an abcess. However, you need to finish the full course of antibiotics to prevent recurrences and to prevent development of resistant bacteria in your system. ...Read more

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Contagious (Definition)

One is able to transmit an infection to another by ...Read more