A member asked:

A single shot of penicillin for strept of 1.2 million units. how long does it last to cure the strept or start to cure it.

A doctor has provided 1 answer

A day: You would be considered not contagious after 24 hours with such treatment. Hopefully you received a combo of short & long acting penicillin because it takes a good 10 days of abx level in your blood to completely eradicate the germ from your system.

Answered 9/2/2018

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A member asked:

How long would strep throat/tonsillitis last while on penicillin?

A doctor has provided 1 answer