Doctor insights on:
Strep Throat Infectious
It can be: This condition is caused by the bug: streptococcus, which can be transmitted via salivary contact. It is not supercontagious like those of chicken-pox or measles which are airborn pathogens--meaning that they can stay in the air and infect others. So, if you are given antibiotics already, you should be fine. Just don't smooch for a few days :-) good luck. ...Read moreSee 2 more doctor answers
Spread by contact: Strep throat spreads by contact with saliva from the infected person. Avoiding sharing of food or beverages and other close contact until the infected person has been treated with antibiotics for at least 24 hours is wise. If you get a sore throat or fever within a week of contact then call your doctor. Good luck! ...Read moreSee 2 more doctor answers
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 moreSee 2 more doctor answers
For how long is someone with strep throat contagious BEFORE they develop and start showing symptoms?
2 - 5 Days: "Strep throat" is caused by a bacterial infection with Group A Streptococcus. The period between intial infection with bacteria and appearance of symptoms is 2 to 5 days. This called the Incubation period. Because this an infection that requires antibiotic treatment see your doctor for symptoms of fever, sore throat, rash. ...Read more
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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